How Hard Is A Simba Mattress

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Simba Mattress Review

The Bottom Line.

  • Simba mattresses support sleepers with body-cushioning comfort layers of memory foam, latex, and minicoils.
  • High-density support foam minimizes sagging and sinkage.
  • Simba offers free shipping and other delivery options for customers throughout the United Kingdom and Western Europe.

Tuck readers get their Simba mattress at the best price.

6,759 Verified Customer Experiences

20 Unique Review Sources

40 Hours of Lab Testing

3 Sleep Experts Consulted

Meet Our Testing Team





General Overview

  • Exceptionally supportive, particularly around the edges
  • Great motion isolation and minimal noise
  • Below-average price-point
  • One firmness/thickness option
  • 30-night break-in period required with sleep trial

Quick Summary

The Simba Hybrid Mattress is a five-layer bed built onto a profile measuring 25 centimeters (or 9.75 inches) thick. Its components include comfort layers of memory foam and synthetic latex, along with a 2-inch pocketed microcoil layer and a 6-inch base made from high-density polyfoam. The Simba Hybrid Mattress has a stretch polyester cover, as well.

Like many competing hybrids, the Simba offers a balanced sleep experience for most owners. It is considered ‘Medium Firm,’ or 6.5 on the 1-10 firmness scale, making it most suitable for sleepers in the average weight (130 to 230 pounds) and above-average weight (more than 230 pounds) categories. The mattress also isolates motion effectively and produces little noise, also making it a good option for couples. The Simba Hybrid is available in 12 different sizes to accommodate a wide range of customers.

Please note that the mattress is not considered a true hybrid by Tuck standards; a true hybrid has full-size pocketed coils, whereas the Simba Hybrid Mattress has microcoils measuring roughly 2 centimeters (or 0.75 inches) high.

For U.S. and Canadian readers: please note that the Simba Hybrid is manufactured in the United Kingdom and Poland, and at this time is exclusively available for delivery to customers in the United Kingdom, Ireland, France, Germany, Belgium, and the Netherlands.

Read on to learn more about the Simba Hybrid Mattress. Below you’ll find information about sizes, pricing, firmness, and mattress construction, as well as performance ratings and information about Simba’s shipping, return, and warranty policies.

The Simba Hybrid Mattress Review – Is It Any Good For Your Back?

The Simba mattress is a hybrid mattress that aims to give you a supportive and comfortable night’s sleep. But is it any good for your back? Find out here.

This article containsaffiliate linksfrom which we may earn a commission when you buy.

You’ve probably seen the adverts on TV and around the web from the new wave of ‘mattress in a box’ companies right?

And whether it’s the Eve, Casper, Leesa, or Simba. there are a fair few to choose from.

But the thought of buying a mattress this way may not sit right with some.

Because it seems so very different from the traditional way of doing mattress shopping at your local department store. ​

However, personally I think it’s a big improvement in the way we find and buy a new mattress for a couple of reasons.

Firstly, these companies put all their focus into designing one mattress rather than an entire range.

This means that all their research and resources are given to making that one mattress as perfect as it can be.

And you also get more bang for your buck. ​

As these mattresses are significantly cheaper because you are ordering them direct and cutting out the middleman and store overheads.

Plus it’s so much less hassle.

As you can browse and order online, your mattress gets delivered directly to your door, and all you need to do is put it on your bed and you’re good to go.

So no more long hours spent trudging around department store after department store getting more and more stressed and confused by the endless options.

Then when you’ve finally made a choice, struggling to tie it onto the roof rack of your car or van to drive it home.

And don’t mention trying to get it up the stairs and into your bedroom!​

So why not cut out this whole process by ordering from one of the new mattress companies instead.

As they all offer a 100-night free trial period, so you can really road test your mattress to make sure it’s right for you before committing to such a big purchase.

And for me the Simba Hybrid mattress is the best of the bunch.

But is it good for people like us with chronic back pain?

The Simba Hybrid Mattress At A Glance




What’s In The Layers?

The Simba mattress is made up of 5 different layers combining new generation foams and canonical pocket springs.

And they all work together to compliment each other and give you a comfortable and supportive night’s sleep.

Top Layer – The Sleep Surface

The sleep surface is what you come into direct contact with as you lay your body down to sleep at night, so it’s an important thing to get right.

And Simba do this well.

As it’s designed in such a way that it allows the mattress to breathe and for air to pass through it.

This keeps you cool as you sleep and regulates your body temperature, rather than making you hot as other memory foam mattresses can do.

The only downside here is that this top layer can’t be removed to be washed.

Although it is easy to spot clean by using a soft, damp cloth, so this isn’t really such a problem.

2nd Layer – Simbatex Foam

The layer of Simbatex foam underneath the sleep surface is primarily for your comfort.

But at 4cm thick and with a density of 60kg/m3 it also offers the first layer of support too.

And it helps to keep you cool at night by drawing your body heat downwards and away from the surface.

Middle Layer – Canonical Pocket Springs

The canonical pocket springs are where the main support from this mattress comes from, and this is what makes up the middle layer.

And there are 2,500 of these springs in total, with each being 20mm high.

They each work independently by moving horizontally and vertically to adapt to every small movement your body makes as you shift position while sleeping.

Which is great for keeping your back and body in a healthy alignment during the night.

4th Layer – Visco Memory Foam

This memory foam layer (3.5cm thick, density of 50kg/m3) is what makes the Simba mattress so comfortable.

Because it moulds perfectly to your own body shape as you lay on it allowing you to feel almost weightless.

And it’s responsive all over too so it won’t sag over time or in places you don’t want it too.

Which means two people of different weights and sizes can sleep on the Simba without affecting one another.

Bottom Layer – Support Base

The base layer (15cm thick, density of 33kg/m3) is what allows the other layers of the mattress to perform so well.

And the extensive testing and research that Simba carries out is evident here.

As there are 7 different support layers to cater for the different demands your body places on different parts of the mattress.

Which is great for keeping your body weight evenly distributed as you sleep and taking the pressure off your body.

So, Is It Good For Your Back?

If you need to find a way to stop every morning beginning like this, then the Simba mattress could be the way to do it.

Ok, so now we get to the crux of the matter.

Will sleeping on a Simba mattress help to reduce your back pain?​

As always the answer to this question is subjective because everyone’s body is different.

But what I will say is that the Simba Hybrid mattress has a hell of a lot going for it in this respect.​

Firstly, it’s a medium-firm mattress.

And this has been shown in scientific studies to ​be the best overall firmness for providing support for people with chronic back pain.

Also the extensive research and testing that Simba do has resulted in a combination of layers of different materials that all compliment each other well in terms of providing you with great support.

The main area of support is the middle layer which contains 2,500 canonical pocket springs.

As these springs individually adapt to each movement and really help to keep your spine and body in a good alignment as you sleep.

Which will improve your sleeping posture whatever position you like to sleep in and take the pressure off your back and joints.

Also the push back of the springs is a great pressure relieving and supportive feature for your back, and one which elevates the Simba mattress above others that rely purely on a combination of foams.

And the foam layers included in this mattress also have a good density ratio, so they will help to give your back support too.

Finally, the 7 different support zones of the base layer are excellent for spreading out the pressure evenly and reducing the strain on your body.

So, all in all I think the Simba is a great choice for keeping your back well supported and healthy as you sleep.

Is It Comfortable Too?

Could your new Simba mattress make you as comfortable as this guy?

It’s pointless buying a mattress that is great for your back if it’s too uncomfortable to get a good night’s sleep in.

Fortunately the Simba isn’t lacking in the comfort department either.

As the visco memory foam layer really molds to the contours of your body, giving you a relaxing and weightless feel.

Which is great for relieving the pressure on your muscles and joints, especially in your hips and shoulders.

Plus it will cut down on the amount of tossing and turning you do throughout the night, as you can get relaxed and comfortable in one position.

The top two layers are also designed to be breathable, which will help to regulate your body temperature as you sleep and stop you from overheating.

And as being too hot is a big problem with some memory foam mattresses, this is a good feature of the design with the Simba mattress.

However, it can still feel a bit hot compared to a latex mattress, so beware if you’ve never tried sleeping on memory foam before.

Also the firmness of this mattress may not feel too comfortable at first if you are used to sleeping on a softer one.

But it’s this firmness that provides you with the support your back needs (and it’s only medium-firm too, not rock hard).

So while this may take a bit of adapting to some people, many say that they get a really comfortable night’s sleep once they get used to it.

And finally, being a synthetic mattress the Simba can give off a chemical odour at first which some may find unpleasant.

However this will fade within a few days at the most.

Personal Disclosure

While the Simba Hybrid mattress is a very comfortable one to sleep on, I have to say here that it wasn’t the right fit for me personally.

This is because I can’t sleep on any mattress or mattress topper that is made with memory foam, as the weightless feeling it gives me causes me pain in my back.

In fact, I’ve found that I have to stick with spring mattresses to stay comfortable and pain-free.

​So this is something to consider if your back has had a similar reaction to sleeping on memory foam in the past.

However, don’t let that put you off otherwise, as I’m in the big minority here.

As most people with back pain that try the Simba give it glowing reviews.

Some Other Cool Features

Here are some of the other features of the Simba mattress that may appeal to you.

Extensive Testing & Refinement

Simba like to market their mattress as the most advanced in the world.

And while that is a bold claim, you can understand where they are coming from when you see how much research and testing has gone into designing it.

As working with the Live To Sleep Institute they have tested over 10 million people and 180 million body profiles to create a mattress that can fit any individual.

And by doing this they came up with a combination of foams and pocket springs that had been unheard of in mattress design before.

But Simba don’t rest on their laurels either.

As they are constantly testing and refining their mattress, so you can be sure you are getting the latest up-to-date technology when you order yours.

100-Night Free Trial

Finding the right mattress can be a difficult, frustrating, and stressful experience.

Because there are so many different options out there that it can be hard to know which one will suit you best.

And for such a big purchase you can’t afford to get it wrong.

Which is why I love the 100-night free trial that comes with the Simba Hybrid mattress.

As it means you basically get 3 months to sleep on it every night in the comfort of your own home before committing to buying it.

So you can order a Simba mattress free from any worry about whether you are making the right decision or not.

Plus it’ll get delivered directly to your front door and collected again if you do decide to return it.

Hassle-free mattress shopping indeed.

10-Year Warranty

And if the 100-night free trial wasn’t enough, you also get a 10-year warranty with every Simba mattress if you decide to keep it.

So basically, if your mattress goes wrong within 10 years Simba will collect it and send you a new one.

Which can’t be a bad thing and shows the confidence they have in the durability and quality of their product.

Simba Are An Ethical Company

If you’re like me and like companies that think about the environment around them and give a bit back rather than focusing purely on profits, then you’ll like Simba Sleep.

As they remain environmentally conscious during the production and delivery of their mattresses, keeping pollution down to a minimum.

And if you do decide to return your mattress, rather than reselling it they will donate it to a local charity instead.

Pretty cool right?

It’s Good For Other Bedroom Activities Too!

Hopefully you’ll be doing more in the bedroom than just sleeping.

So when buying a new mattress you also need to take into consideration whether it can stand up to any extra-curricular nocturnal activities you may be lucky enough to participate in.

And fortunately the Simba mattress can.​

As it has been extensively tested and refined so that it can hold it’s shape ​well even under the most testing of circumstances.

So you can feel free to let loose in the bedroom without worrying about damaging your new mattress.

The Back On Site Verdict

So is the Simba Hybrid mattress a good option for people with back pain?

Overall, I’d say that it definitely is.

As the medium-firmness of the mattress is perfect for keeping your back healthy and happy.

Plus the 5 layers that make up the Simba all work well to keep you supported and to relieve pressure on your muscles and joints as you sleep.

Added to that, the memory foam will keep you comfortable too without making you too hot.

So you have a great chance of getting a good night’s sleep, which is when your body heals, repairs, and restores itself.

All in all a great and affordable choice.

And with the 100-day free trial and a 10-year warranty you have nothing to lose by giving the Simba Hybrid mattress a try.

Simba Hybrid mattress review: Save 30% this Easter Weekend

The Simba Hybrid mattress offers the perfect combination of comfort and support

Deal alert: Save 30% on all purchases at Simba

Mail order, bed-in-a-box mattresses such as Simba are now everywhere you look. If you’ve ever searched for one on Google, this is especially true as you will have been followed by Google ads for all its competitors thereafter.

Beyond the obvious advantages in terms of portability (at least until you unroll it) and its reasonable price, however, is Simba as good as its slick marketing suggests? And how does it stack up against a more traditional pocket-sprung mattress?

Like most of its rivals, Simba offers a 100-day money-back guarantee, which means you can try one for yourself without any financial risk. The effort involved in having a mattress delivered only to have it collected a few weeks later – not to mention storing your old mattress during this period – is not to be dismissed too lightly, though.

Simba Hybrid Mattress review: What you need to know

Simba’s Hybrid mattress, unlike many of its rivals, combines memory foam with micro pocket springs. In fact, there are five different materials used in Simba’s mattress.

First is a hypoallergenic sleep surface designed to maximise air flow. Next is a 40mm “Simbatex” comfort layer that mimics latex and promotes cooling. Below this is a layer of 2,500 20mm conical springs (in the king size mattress) that are designed to minimise movement transfer – where you feel it whenever someone rolls over next to you. Finally, there’s 35mm of memory foam above the support base that’s constructed from 155mm of firmer, more supportive foam.

In total, the mattress is 25cm deep, which makes it compatible with most fitted sheets and will raise you off the bed frame by the same height as a traditional mattress. Due to the order of the layers in the mattress, it goes without saying that you don’t need to flip it, but it’s recommended that you rotate it once a month at first to improve its lifespan. After it’s broken in, rotating every three to six months is sufficient. Unfortunately, there are no handles to help you do this, and the mattress weighs a hefty 37kg in king size, so make sure you’ve got several pairs of hands to help out.

The Simba Hybrid is highly versatile in terms of the different bed bases you can use it on. It’ll work with divans, solid bases or slatted bases and Simba even sells its own adjustable bed for use with the mattress. It’s worth noting that the type of base you use will affect the feel of the mattress. Sprung slats, for example, make it feel slightly less firm than a solid base. Simba also recommends that, if you use a slatted base, the slats are no more than 3in apart in order to give sufficient support.

To protect your mattress without compromising comfort, Simba recommends you use a breatheable cotton mattress protector rather than a polyester variety. It makes its own protector, which is available from £45. To keep things hygienic, Simba Hybrid’s top cover can also and washed on a 40˚C cycle.

Unlike many bed-in-a-box mattresses, which are sold exclusively online, you can try out the Simba Hybrid in some John Lewis and Furniture Village stores. The mattress comes with a ten-year guarantee from the date of delivery – although you should probably be replacing it well before that expires anyway.

Simba Hybrid Mattress review: Price and competition

Prices for the Simba Hybrid range from £450 for a single to £650 for a double and £750 for a king size. This is identical pricing model to foam mattress manufacturer Leesa, which uses three distinct layers of foam, but no conical springs. Other well-known names in the bed-in-a-box market include Casper, whose mattresses are slightly cheaper. There’s also Eve, which sells its foam mattress for a £600 and £700 in double and king sizes, respectively, and its hybrid for £500 and £600.

Another outstanding bed-in-a-box hybrid is the Otty, which combines comfort, support and temperature control in an excellent value package. Indeed, its double mattress costs £500, while the king version will set you back £600. All of the above manufacturers offer 100-day trials, after which they’ll collect the mattress for free if you’re not totally satisfied.

It’s often suggested that you get more for your money buying a bed-in-a-box mattress than a traditional pocket-sprung or a spring and memory foam mattress. You can, however, still buy a solid, reliable pocket-sprung mattress for around £700. John Lewis’ Natural Collection 4000 Hemp, whose fillings are ideal for those who find foam too warm, for example, costs £699 in king size.

Alternatively, if you have a budget closer to £1,000, you can get Hypnos’ superb pillow-top pocket-sprung mattress. The disadvantage is that these mattresses cost more to manufacture than their memory foam rivals, so, once you’ve taken them out of their wrapping, there’s no option to return them unless they’re faulty.

READ NEXT: Best mattresses

Simba Hybrid Mattress review: Comfort and performance

After removing your Simba Hybrid from its vacuum packaging using the provided tool and laying it on your bed, it quickly rises and starts to take shape. Although it can take up to 24 hours to fully form, the good news is you can sleep on it only three hours after it’s been unpacked. This is great if you’re moving into a new flat and want to sleep on your new mattress the same day. At first, you’ll probably notice quite a strong plasticky smell. Rest assured that this disappears entirely over time and the more you air the mattress, the faster it will fade.

My impressions after sleeping on the Simba Hybrid for the first time were that it was very comfortable, albeit surprisingly firm – a seven out of ten, where ten is the firmest. I should add at this point that I weigh around 75kg so, if you’re lighter than this, you’ll likely find it firmer and, if you’re heavier, it could feel softer.

Depending on your preferences, the firmness definitely isn’t a bad thing. Having also tested the Casper mattress, I found the Simba Hybrid noticeably more supportive from the offset, despite it still offering a soft, comfortable top layer. Both mattresses became less firm within the first few weeks of being broken in, making the Casper much too soft for my liking, while the Simba Hybrid ended up spot on in terms of firmness and comfort.

There’s no doubt Simba’s synthetic latex sleeps hotter than a traditional pocket-sprung mattress with natural fillings. For most months of the year you can probably control this by using suitable bedding, but if you’re the sort of person who gets too warm on memory foam, the Simba Hybrid is probably not the mattress for you.

Having said that, I found the Simba Hybrid’s properties at least didn’t change drastically when I did get warm. With other memory foam mattresses, including Ikea’s medium-firm Morgedal and the Casper mattress, I have found firmness can change quite drastically throughout the night as the bed warms up and, by the morning, you can feel like you’ve sunk into a giant marshmallow. With the Simba Hybrid, this wasn’t a problem and I felt adequately supported throughout the night, even when I did get hot.

I’m not sure what the layer of conical springs contributes to this impressive level of support, but you shouldn’t buy the Simba Hybrid expecting the feel of a sprung mattress. To put it simply, it’s just not very springy and, although you don’t sink into it too far, it much more closely resembles the sensation of a foam mattress than a pocket-sprung variety. That’s hardly surprising when the conical springs in the Simba are only 20mm deep.

Simba Hybrid Mattress review: Verdict

If you’re in the market for a “bed-in-a-box” mattress, I can wholeheartedly endorse the Simba Hybrid. Unless you get very warm in bed – in which case you’re best off avoiding memory foam altogether – my only significant criticism is that it lets off a horrible plasticky smell for the first few days.

Finding the right level of firmness in a mattress is a very personal thing, but the Simba Hybrid strikes an excellent balance between comfort and support. Best of all, I found that it doesn’t lose these properties when it gets warm or after its initial break-in period.

The mattress could do with some handles to make manoeuvring it less irksome, but that’s easier said than done with something that’s made up of four layers of foam. At £750 for the king-size version, it’s not exactly cheap, but you’ll be very hard pushed to find a more comfortable hybrid mattress for the same price.

Simba Mattress

What makes the Simba mattress so special?

The Simba mattress is a next generation mattress, arriving rolled up for convenience. The Simba team, benefiting from more than 30 years experience in mattress manufacture, having sold in excess of one million mattresses have perfected a unique combination of Simbatex, Memory Foam and 2,500 Conical Pocket Springs integrated into their five layers of comfort that means a Simba mattress intelligently shapes itself to anyone’s frame.

SIMBA’s 5 Ss- the five fabulous features that make your mattress unique – mean that a SIMBA mattress is tailored to provide unique support for each and every style of sleeper.

Sleep Surface
Breath easy with SIMBA’s hypoallergenic ‘breathe in, breathe out’ cover. Its unique construction allows the mattress fillings to breath and provide you with a cool and comfortable sleep surface. This enhanced breathability promotes thermo regulation helping your body find the perfect temperature for an undisturbed night’s sleep. Made from 100% polyester, the cover is resilient and durable, as well as being perfect for sensitive sleepers

Simbatex comfort layer
Developed by SIMBA, this comfort zone makes up the first layer of the mattress. It features a synthetic latex which offers the gentle initial support and cool feel you’ll experience from the moment you land.

Spring powered
Featuring an unrivalled 2,500 in the king size version, each SIMBA mattress contains unique patented conical pocket springs in the second comfort layer, boasting a conical shape which provides unrivalled levels of support. Each spring adjusts individually, mapping to the shape of your posture as you sleep to offer truly tailored comfort and put the spring back in your step come morning.

Shaped for you
The third layer is made up of SIMBA’s Visco memory foam, which moulds expertly to your shape as the warmth from your body softens it. It contours to your individual sleeping pose to give you the best comfort and support for your individual needs.

Enabling natural movement during sleep, it helps to prevent disturbances as it aligns your spine to maintain healthy posture. It also boasts hypoallergenic and anti-microbial properties for a clean and hygienic sleep space.

Seventh Heaven zoned support
Finally, a perfectly engineered castellated (or grooved) foam foundation is the basis of support on which you’ll sleep. Its seven individual zones ensure different levels of support are provided, and your individual needs are met. Working with the other foam layers and pocket springs, this base filling can provide really responsive support.

You sell it well! It looks a lot of science, technology and mattress for my money – why is the mattress so well priced?

Unlike traditional mattress companies, we don’t waste money on showrooms, commissioned salespeople, stock, or global shipping costs. Instead, we sell our mattress directly online and pass the savings onto you.

Our vertically-integrated approach means your Simba is manufactured right here in the UK and shipped to you fresh from the factory. Often the mattress is shipped to you the same day our highly trained, mattress loving craftsmen have made your mattress.

The Simba mattress is equivalent in quality and components to a £2,000-£3,000 mattress, and importantly, better than that, our science says our mattress is ideally suited to the widest range of body types, even compared to £10,000 mattresses. We offer the perfect mattress and top-notch customer service to save you time and money, taking the hassle and cost out of mattress shopping.

Other mattress companies classify their mattresses as firm, medium, hard – what is Simba? And don’t I need to lay on it before buying it?

We created our mattress after extensively testing it with The Sleep to Live Institute whose research is based on profiling more than 10 million people and 180 million body profile data points – we don’t confuse things like those other mattress companies. We call our mattress ‘perfect’ – every part of it engineered and married together to give the widest range of size and shape people the perfect nights sleep.

The mattress world prospers on providing too many choices in order to upsell and confuse you. We don’t.

If you want us to say what it’s like compared to other mattresses, whilst saying better, we’d also say that it is medium to firm support. It’s not too firm or too hard.

Whatever you’re up to in your bed, we believe you will love the support the Simba mattress gives you.

How does the 100 night Home Trial work?

We want you to get the perfect nights sleep – if for whatever reason you’re not happy with your Simba mattress within 100 days of sleeping on it, you can return it. You don’t need to keep the plastic cover on it, or anything like that – unwrap it and use it like you normally would.

We do suggest that you give your mattress 30 nights to bed in – any new mattress can feel a bit different – our science says it should be good for you.

Just contact us on ([email protected]) to arrange a pickup. We’ll send a courier over to remove the mattress from your home and donate it to a local charity or recycling center whenever possible.

You’ll be refunded the full value of your order.

What is the 10 year guarantee?

We’re backing our quality and craftsmanship – and offer a 10 year guarantee on all Simba’s. You can read our full guarantee here

What should I put my Simba mattress on?

It is designed to work on any firm, flat surface. It’s suitable for the floor, a slatted bed frame, or a box spring. As a general rule of thumb, the more surface area the better. If you choose to use a slatted bed frame, please ensure the slats are no greater than 3” apart. If you’re using an older box spring with only a few support slats, it is recommended that you use a length of plywood to offer the support to the mattress.

Due to the complex and sophisticated conical pocket springs we would not recommend the use of the Simba mattress with a orthopaedic with multiple movement positions. If any doubt, please contact us

Where do you manufacture, how ethical is your supply chain and what safety tests have you done on the Simba mattress?

Our manufacturing partner is located near Derby, whilst our springs are manufactured in the midlands. We love that Simba is able to source locally and support one of the great trades remaining in the UK – lovingly homemade.

Our manufacturer is a National Bed Federation Approved Member (2016) – having been successfully audited by EXOVA BM TRADA against the NBF’s strict code of practice which sets out criteria for ensuring processes and procedures are in place for supply chain scrutiny and compliance with regulatory requirements, including flammability, cleanliness of fillings and trade descriptions.

They were also recognised by the NBF with a highly commended award for the 2015/16 Bed Manufacturer of the Year and they have received the SEDEX/SMETA Best Practice Guidance accreditation.

All foam in the manufacture of our mattresses are CFC free and all components comply with UK fire regulations BS7177 Low hazard for domestic use – the most stringent in the industry’

How deep is the mattress – will my sheets fit on it!?

Perfect depth! The Simba is 25cm (10 inches) in height. We’ve packed a lot of technology into the mattress but your normal sheets will fit this just fine – it’s not what the industry might call a deep mattress

Do I need to turn my mattress over regularly?

We know it’s a faff. And who really has the muscle power to do that? Instead, the Simba is a no turn mattress. However rotating the mattress will increase comfort & lengthen its life.’ Initially, as guidance we would say once a month.

Delivered in a box you say? What, how!?

Yes, can you believe it!? Your Simba mattress – whatever the size will be delivered to your doorstep in a 1.05mx0.5mx0.5m dimension box – incredible – you have to see our flattening, folding and rolling machine in action – although stand well clear! Our conical pocket springs are expertly developed to fold flat within themselves so they spring back to life as full of life as when they were compressed. Your mattress can live in it’s box for up to 9 months, but we’d recommend releasing it sooner and enjoying a restful nights sleep as soon as you can

What are your delivery options and how much does it cost?

Please see our Delivery Information page for full details of shipping. Order before 12pm and it can be as quick as next day, or a day of choosing – you’re in control. Monday to Friday on our standard UPS delivery (9am to 7pm window) is free, zilch! Saturday delivery is £20. You also have the option of next day pre 10.30am (£20) and pre 12pm (£15) delivery via UPS if you prefer on weekdays. We use UPS for deliveries, and they will deliver your mattress to your door/hallway.

How much does each mattress weigh?

Each box weighs approximately 2kg, and then the weights of the mattress are Single:21kg Small Double:27kg Double:30kg King:37kg Super King:45kg

Will my Simba have a smell when I first open it?

Like anything new your mattress may have a smell. We only use water based adhesives to keep away as many smells as possible but due to the mattress containing foam you may find it does have an odour. If you’re not familiar with foam mattresses this might well be smellier than you might expect normal – but please be assured – it is normal, perfectly safe and the smell will fade away within days of using / airing.

How do I clean my Simba mattress?

Use a soft, damp and clean cloth using small circular motions to clean. You may use light fabric cleaning products. Do not wash your cover – it is treated with (perfectly safe) fire retardants – washing your mattress cover risks washing some of the effectiveness away.

Can I use an electric blanket on my Simba?

Of course you can! Simba is designed to be used just how you want it – either cool or toasty warm!

What is the maximum weight of a person that the Simba can take?

The maximum weight per person is 18 stone (114kg)

Simba vs Eve mattress: Which is better?

Rest assured, once you’ve read our comparison, you’ll know which bed is right for you

Bed-in-a-box type mattresses such as the Eve Original and Simba Hybrid are fast becoming favourites in the UK. Not only are they cheaper than traditional, sprung mattresses, but they also usually come with a 100-night trial, so you can send them back for a full refund if you decide it’s not the mattress for you.

And that’s handy because picking a mattress is a very personal thing. Whilst some people prefer firmer, more supportive beds, others enjoy being enveloped in soft, deep comfort layers.

We scored both the Eve and Simba mattresses very highly when we tested them and, although they might seem similar on the surface, once you delve a bit deeper there are a few key differences. On this page, we’ll compare their construction, firmness and temperature regulation among other features to help you make an informed buying decision.

Simba vs Eve mattress: Construction and features

The most apparent difference between these two mattresses is what they’re made from. Simba falls into the hybrid category, mixing memory foam with pocket springs, whilst Eve is composed of only foam layers.

Simba is made up of four layers under its hypoallergenic sleep surface: 25mm of “Simbatex” which mimics latex, 25mm of conical springs, 45mm of polyether support foam and 160mm of supportive foam at its base. In addition to this, there is extra side support built-in to prevent you from rolling off at night – perfect for more fidgety sleepers.

The Eve mattress, however, is only composed of just three layers: 30mm of springy open-cell foam, 35mm of softer memory foam and 160mm of dense foam base.

For both mattresses, the base is composed of different “zones” that each work to relieve pressure from the hips and shoulders. They both sit at around 250mm deep in total and both have removable, washable top covers so you can easily keep them fresh.

In both cases, it’s recommended that you rotate your mattress to extend its lifespan. You should do so once a month for the first year with Eve and for the first three months with Simba. After that, every three to six months will suffice. Unfortunately, rotating your Simba that consistently, however, might prove a little tricky due to the lack of side handles.

Each model is Certipur certified through independent testing, so you can sleep easy in the knowledge that there won’t be any harmful chemicals lurking beneath your sheets. They also have 100-night money-back guarantees and 10-year warranties.

Winner: Draw

Despite Simba having a slightly more complex construction, there’s nothing to say Simba’s build is inherently superior to the three layers of foam used by Eve. On the contrary, the fact Eve has carry handles is arguably more of a practical consideration than anything else when choosing which one to buy. Having said that, with both mattresses otherwise offering such similar features, we’ll settle for scoring this heat a draw.

Simba vs Eve mattress: Comfort and performance

As with most bed-in-a-box mattresses, the unpacking process for both products is fairly speedy. Eve recommends leaving the mattress for between four to five hours for it to reach its full size, although you can sleep on it right away. For the Simba to reach its full size you’ll have to wait for 24 hours, but you can sleep on it after just three. In both cases, there’s a plasticky smell that is emitted from the mattresses for a short period, which can be off-putting but this quickly disappears altogether.

Our reviewer gave the Simba a firmness rating of seven out of ten (where ten being the firmest) and the Eve a 7.5. He described the Simba as “surprisingly firm” despite its soft, comfortable top layers. What’s more, its springs don’t really add any amount of bounce.

Firmness, of course, is very much down to personal preference. People heavier than 75KG may find it softer while those lighter than this may find it firmer still. The Eve proved only a little firmer in comparison to Simba but also demonstrated much less “sinkage” than its other all-foam rivals and indeed Simba. That’s good if you like to feel like you’re on top of your mattress rather than being enveloped by it

In regards to temperature control, both sleep slightly hotter than traditional pocket sprung mattresses with natural fillings. As such, it’s probably unwise to choose a memory foam bed if you have any tendency to overheat at night. However, both mattresses managed to retain a solid level of support even as they warmed up, which isn’t always the case with foam-based mattresses.

Winner: Draw

With both mattresses offering excellent levels of support and comfort and similar temperature control properties, it’s difficult to split them in terms of performance. If anything, your decision should come down to your personal preference regarding firmness. If you like a slightly firmer bed and mostly sleep on your front or back, Eve is probably the better option, but if you’re a side sleeper, and can benefit from softer top comfort layers, you may prefer the Simba Hybrid.

Simba vs Eve mattress: Price

As far as bed-in-a-box mattresses go, Eve and Simba are both at the slightly pricier end of the market. Since we tested the Simba, however, it’s crept up from £700 for a king size to £750, while the Eve Original remains at £700. What’s more, we’ve also found Eve is more likely to be discounted, meaning you don’t normally have to wait so long for a good saving.

Winner: Eve

Eve just snatches the win here. Although it’s only £50 cheaper than its rival, we’ve also found it to be more regularly discounted by a significant amount. Having said that, at the time of writing, the Simba Hybrid currently has 20% off its asking price when you spend more than £575, so both can be had for a bargain price if you get the timing right.

Simba vs Eve mattress: Verdict

In truth, there’s not a great deal to separate Eve and Simba – they’re both great bed-in-a-box mattresses that we’re very happy to recommend. However, which one is right for you can potentially be decided by much of what we’ve touched on in this comparison article.

Above all, firmness should probably be a key deciding factor. If you prefer a slightly firmer bed, you’re better off with the Eve Original, which is firmer than Simba and its all-foam rivals from Casper, Leesa and Emma. Otherwise, the main consideration ought to be price. If one mattress is discounted by significantly more than the other, that’s a good enough reason to choose it over the other. Whichever you go for, the 100-night trial will ensure there’s no risk of you losing money if it’s not the mattress for you.

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