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Simba Mattress Topper Reviewed in 2023

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Written By Connie

CPD Sleep Consultant

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How We Test

Our testing process

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Presented By Gary

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15 April 2024 6 min read

In this Simba mattress topper review, we're going to see whether this topper can revitalise your mattress and keep you comfortable all night long!

After a while, the mattress starts to lose its shape and other characteristics and then you wonder whether to buy a new mattress or topper. Both choices have their pros and cons, but if you opt for a topper, it must be a great one like the Simba mattress topper.

Simba is a company that has been producing top-notch products for two decades, so we will analyse their hybrid topper in detail in this Simba mattress topper review.


An icon depicting a man laying down in multiple positions indicating comfort & ergonomics
Very supportive
Thanks to open-cell structure & Aerocoil springs, you get breathability, firmness & support.
An icon depicting a leaf indicating hypoallergenic properties
Hypoallergenic & eco-friendly
Safe for people with allergies. On top of that, it's eco-friendly & sustainable.
an icon depicting straps included
Snug in straps
The straps keep the topper secure and wiggle-free.


An icon depicting no trial or warranty
200 nights trial
The trial was longer and reduced from 1 year to 200 nights.

Who is the Simba Mattress Topper for?

Simba mattress topper is a high-quality mattress topper that is primarily intended for all those who are not satisfied with the performance of their mattress. This may be because the mattress is deteriorating after many years of use or simply because the unsuitable mattress was purchased. And it is much cheaper to buy a topper than a mattress. 

Simba mattress topper will improve the comfort and support of every mattress, and many also choose it because of the cooling properties it has thanks to the air-flow layer. So, it is a great choice for hot sleepers who want to get a high level of breathability of mattress.

What do we use the Simba topper for?

This excellent mattress topper is used for what its primary purpose is, and that is to give you a much more comfortable sleep. Suitable for all sleeping positions, we believe that it will suit everyone equally. In addition, you will have the feeling that it cools you down during sleep, and since it is very easy to roll, you can take it anywhere with you.

Features you should know about the Simba Mattress Topper

When you buy one such essential thing as a mattress topper, you surely want to know more details about the main features of the mattress toppers. That is why we have singled out for you four features of Simba mattress topper that we consider to be the most important and to set this product apart from others on the market. Let’s dive deeper into our Simba mattress topper review!

Simba mattress topper layers
2,500 aerocoil spring layer

Simba mattress topper consists of three inner layers, and one of these layers is the 2,500 aerocoil spring layer. This layer of springs is completely different from what you used to sleeping on. Instead of classic springs, this topper has 2,500 micro springs that provide comfort and support similar to memory foam, but with one big advantage, and that is breathability.

Due to their shape, micro springs do not negatively affect the airflow. 2,500 aerocoil spring layer is most deserving for the feeling of sleeping on a new mattress. The 2,500 aerocoil spring layer is the middle layer that gives you comfort, and the other two layers that we will also talk about are primarily in charge of cooling and support.

Cooling open-cell Simba-pure layer

The reason why many hot sleepers and generally all people, especially in summer, avoid buying and using a mattress topper is that in many cases it is not breathable, and it is very hot to sleep on it. This problem was solved by Simba, a company known for cooling products, by using the cooling open-cell Simba-pure layer as the top layer for this topper.

The Simbatex material is actually synthetic latex with graphite infused into it to produce a cooling layer by filtering the heat. Synthetic latex is used to make the topper hypoallergenic. In addition to its cooling properties, this layer also contributes to comfort, as it is located closest to our body.

Simba pure support base

Deep in this topper is buried a high-density support base made of high resilience foam which is there to support both you and the other layers of this topper. Since foam is best for reducing motion transfer, and springs are there to give bounce, then Simba decided to make this topper a hybrid, because it is a combination of foam and springs.

Thanks to the support base, the Simba mattress topper is medium-firm, although we can say that it is on a scale of one to ten, closer to firmness of 10 than when compared to other mattress toppers 1. Still, it is soft enough for all sleeping positions, you don’t have to worry about that.

TCPP free

TCPP is a flame retardant commonly used in polyurethane foam in consumer products and in home insulation. TCPP has often been used for foam products in the United Kingdom, but since 2019 the government has recommended that TCPP no longer be used as it escapes over time from the foam and contaminates indoor air.

That is why it is very important that you buy TCPP-free products, such as the Simba mattress topper. Simba is very proud of its TCPP-free foam because it is eco-friendly and will not expose you to chemicals while you sleep. They use innovative foam that is TCPP-free and at the same time compliant with United Kingdom fire safety regulations.

Review of the Simba Hybrid Topper

An image of a The Sleep Advisor reviewer sleeping on the Simba mattress topper

Simba mattress topper is one of only a few hybrid toppers on the United Kingdom market that you can find. It consists of a breathable sleeping surface, underneath which are three layers, which give you support, comfort and breathability. Thanks to these three layers, an ideal balance between softness and firmness is achieved. It is not a soft mattress topper, but it is certainly not a very firm mattress topper that would be too firm for majority of sleepers.

It adapts very well to your body while you sleep, giving you comfort but also support, so it is great for all sleeping positions.

In addition, it lowers your temperature while you sleep, which is a feature that everyone adores. Like all the products that Simba offers, it is very high quality and will last you a long time. You also have a one-year guarantee. All sizes are available, from single to UK king size, and even super king size, so you will find the right size, and the topper will fit perfectly on the bed thanks to anti-slip technology.


  • Size: UK Single, UK Small, UK Double, UK King, Double, UK Superking
  • Material: Aerocoil springs, CertiPur foam, Synthetic latex
  • Thickness: 7 cm
  • Firmness: 7/10
  • Removable cover: Yes
  • Hypoallergenic: Yes
  • Warranty: 10 years
  • Trial: 200 nights

What we like about Simba Hybrid Topper

What we didn’t like about Simba Hybrid Topper

Check the alternative mattress toppers to Simba Hybrid Topper

Whenever you are buying something, it is advisable to compare the product you want with at least a few other similar products to know if you are making the right decision. While the Simba Hybrid mattress topper is undoubtedly a great product, we will also briefly analyse the two toppers offered by Rejuvopedic and Panda, as we consider those two toppers of equal or similar quality. Get one of these two if you don't like Simba's model and rejuvenate your old mattress!

Rejuvopedic New Microfibre Mattress Topper

Product image of Rejuvopedic microfiber mattress topper

Rejuvopedic is a company that focuses on making covers, toppers and pads, so all of their toppers are rather great. And this one is specifically amazing if you want to keep the price down.

After all, unlike the Simba hybrid topper, this microfibre topper sticks to the basics in order to keep the price down. However, that doesn't mean it's bad by any stretch of the imagination!

It is very comfortable due to the microfibre which is the main material used to make the Rejuvopedic New Microfibre Mattress Topper. It bounces back to its initial shape very quickly, which is also a positive.

You also won’t have hard time maintaining it. And if you're very spill-prone, this is quite the benefit as well. So, while it might not be as premium as the Simba hybrid topper, it can still make your current mattress more comfortable and help you get some proper rest.

Click here to read our full review of the Rejuvopedic New Microfibre mattress topper.


An icon depicting lightweight properties
This model is super lightweight.
An icon depicting good cooling properties
Cooling & breathable
You won't get hot on this topper.
an icon depicting straps included
Straps for securing the topper
The straps ensure your topper stays in the place all night long.


An icon depicting chain links indicating low durability
Durability issues
There might be some durability issues, especially after prolonged use.
An icon depicting no warranty
No warranty & trial
You don't get a trial or a warranty.

Panda Mattress Topper

Sleep Advisors presenter sleeping on Panda mattress topper

On the other hand, if you still want a premium mattress topper but the Simba hybrid topper isn't to your liking, the Panda topper is the logical next step!

For one, it utilises bamboo in order to keep the topper anti-bacterial, hypoallergenic, eco-friendly, and breathable! And that's just the cover.

The topper itself is also gel-infused, to further help with cooling. Plus, this Hydro-foam easily adapts to your body and offers some much-needed support.

This means that the Panda topper can even help with things such as hip and back pain. Or at the very least, it can help prevent those aches for crossing your path in the first place!

To learn more, we recommend you read our full review of the Panda mattress topper.


An icon depicting a leaf indicating hypoallergenic properties
100% hypoallergenic
100% safe for people with allergy problems.
An icon depicting air passing through a fabric
Thanks to its structure, it ensures an optimal airflow.
an icon depicting a removable cover
Removable cover
Remove the cover & wash it easily.


An icon depicting off gassing
Some off gassing
The memory foam might have an odour the first night.
An icon depicting a heavyweight person, illustrating a product that is not suitable for overweight people
Too soft for heavier sleepers
Heavier sleepers might want a firmer topper.

Consider the Simba Hybrid Mattress if you are buying the Simba Hybrid topper

a product image of Simba Mattress Hybrid

Even the best mattress topper on the planet can't completely override a bad mattress. After all, if it could, everyone would just put a topper on the floor and sleep without a mattress altogether!

So, if your current mattress is in a truly sorry state, it might be best to completely replace it. And if you thought that the Simba hybrid topper sounded appealing, the proper Simba hybrid mattress is going to blow you away!

With 6 layers, 3000 springs, and all the newest mattress technology on the market, this mattress is bound to keep you comfortable!

You'll especially be happy if you're a hot sleeper as this hybrid mattress focuses a lot on temperature regulation, making sure that you stay cool. So, whether you get both the Simba hybrid topper and the Simba hybrid mattress or just the mattress, you can rest assured Simba will take care of your sleep!

Click here to read our full review of the Simba hybrid mattress.


An icon depicting good cooling properties
open-cell foam structure ensures high level of breathability.
An icon presenting perpetual motion balls indicating low motion transfer
Motion isolation
You won't get disturbed at night by your partner's movements.
An icon representing an eco-friendly & sustainable concept
100% eco-friendly. Even the delivery is carbon-neutral.


an icon depicting lack of straps
Lack of side handles
There are no side handles, which makes rotating a bit harder.
An icon depicting a heavyweight person, illustrating a product that is not suitable for overweight people
Too soft for heavier sleepers
Some sleepers, especially heavyweight ones, might find it too soft.

What makes the Simba mattress topper better than some other similar ones?

Simba topper is better than most competitors for many reasons and it is considered to be a luxury topper. Above all, it is the comfort and support provided by three layers, as well as breathability that will make sleeping pleasant even hot sleepers. Also, you know that you are buying a product from a company with a long reputation of making the highest quality mattresses, toppers and more. Therefore, if you are on the hunt for the new topper, we highly recommend you get the best mattress topper UK market has to offer – Simba topper!

How did we test the product?

a corner close-up shot of the Simba mattress topper

You can find many reviews on the internet for a wide variety of mattress toppers that have no credibility because those who wrote the review did not test the product at all. To let you know that our Simba mattress topper review is credible, we will tell you how we tested Simba topper. Simba hybrid mattress topper is available in 5 different sizes, so you can be sure that one of these sizes will be right for your mattress.

When we got the product, we first checked the quality of workmanship and generally the impression it leaves, and as expected, we were very satisfied. Simba Sleep is a company that never disappoints with quality.

We then install the topper on the mattress and Simba bed to check how stable it is. We can tell you that it is so stable that we did not even feel that we were not lying on a mattress, but on a topper.

All Simba mattress toppers have an anti-slip base and wriggle-free straps that will keep the topper in place. There is a breathable & removable cover with zip which you can wash in the machine to keep it clean. We washed it on 40 degrees and everything went fine. You can vacuum this Simba topper itself occasionally.

For the end, we left the overnight test. We conducted the overnight test over two nights because we wanted to try this topper on both a relatively new mattress and one that is much older. The Simba hybrid mattress topper showed great performances in both cases, giving us comfort, support and breathability much better than just a mattress could.


And that's all you need to know! So, now that you've gone through our Simba mattress topper review, do you think you'll get one for yourself? Let us know in the comments. And if you have any questions, check out the FAQ section or get in contact with us directly!

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FAQs about your Simba mattress topper

If there’s anything else we haven’t told you about the product, we’ll answer that in the FAQs section. Questions about Simba topper, maintenance and off-gassing are once we encountered most often.

Do I need a hybrid mattress with a Simba mattress topper?

No, you don’t need hybrid mattress with a Simba Hybrid topper, you can use it with any mattress.

How do I wash my Simba mattress topper?

You can machine wash removable cover and vacuum your Simba hybrid topper.

Does the Simba mattress topper have off-gassing?

Even if you smell something at the beginning, there is no reason to worry because it is TCPP free so no harmful chemicals will be around you.

Are there any other Simba products that you can combine with this one?

Yes, for example, Simba bed frame and Simba mattress protector are great add ones if you want to complete the full picture and use Simba's products.

Can I use Simba mattress topper as a camper van mattress topper?

Absolutely! It is “hard mattress topper” that will give you enough comfort to sleep in your camper van!

Does Simba accept returns?

Yes, Simba returns are managed easily. You can return the product whenever you want, as long as you do not break the T & C, imposed by Simba Sleep.

About the author

As a CPD certified Sleep Consultant I know how important sleep is. And as a combination sleeper, I have found it difficult to get products to suit my sleep style. I have more than 2 years product testing experience with The Sleep Advisors which means I have slept on, with and under more than 500 products with varying degrees of success. This is added to more than 2 years experience as a product reviewer for Closer, Heat and Grazia magazines, so I've got a rigorous process. I love sharing my sleep testimonials with our readers and hearing their experiences too.
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