🇬🇧 United Kingdom · Memory foam vs Memory foam
SimbatexvsOTTY Flex Memory Foam
Which one is best for you? Simbatex vs OTTY Flex Memory Foam - 2026 comparison by Vs Mattress
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Pricing by size
Simbatex
OTTY Flex Memory Foam
Essential information
| Simbatex | OTTY Flex Memory Foam | |
|---|---|---|
| Type | Memory foam | Memory foam |
| Launched | 1979 | 2016 |
| Brand | Simba | OTTY |
| Made in | United Kingdom | United Kingdom |
| Unique points | Simbatex mattress foam guarantees 30x more airflow and superior elasticity than traditional memory foam, and it is graphite infused to control heat. Here's the four layers:
| The OTTY Flex mattress is an all-foam construction:
|
| Video | The Simba Hybrid® Mattress - The Average Person Spends 26 Years and 3 Months In Bed | – |
Certifications & trial
| Simbatex | OTTY Flex Memory Foam | |
|---|---|---|
| OEKO-TEX® | Yes | No |
| CertiPUR-US® | Yes | Yes |
| Certifications | CertiPur-US®, OEKO-TEX®, B Corp™ | – |
| Other certification info | 100% Recyclable Materials, Pro-Planet, Carbon Neutral Delivery | Europur Approved. FIRA Certified. |
| Sleep trial | 365 nights | 100 nights |
| Warranty | 10 | 10 |
| Free shipping | FREE | FREE |
| Free returns | YES | YES |
| Pay later | Yes | No |
| Delivery info | Simba offers FREE carbon neutral standard delivery with a two-person delivery crew. Simba can also take away your old mattress for recycling once you have your new one. Delivery usually be within 3 business days if you order before 2pm, and within 4 business days after 2pm. | For all mainland UK deliveries, we use Keen & Able's two-man courier service. We offer a host of different delivery service options, all of which will be delivered between 7am to 9pm. These services are:Standard Delivery, between Mon-Fri, delivered to door. FREEPremium Delivery, packaging disposal, delivery to room of choice. £10.00Premium Delivery with old mattress collection, packaging disposal and delivery to room of choice. £40.00We do also offer Saturday deliveries to some areas of the UK for an extra charge. |
Firmness & feel
| Simbatex | OTTY Flex Memory Foam | |
|---|---|---|
| One firmness fits all | Yes | No |
| Select your firmness | No | No |
| Adjustable firmness | No | No |
| Half and half firmness | No | No |
| Flippable / reversible | No | No |
| Firmness info | The Simbatex® Essential is a medium-firm mattress. The premium foam will gently mould and support your body, while keeping you cooler than regular memory foam mattresses. | – |
Construction & materials
| Simbatex | OTTY Flex Memory Foam | |
|---|---|---|
| Layers | Anti-allergenic, removable knitted cover, Cooling, cushioning simbatex® comfort layer, Supportive simba-response foam layer, Zoned, high density foam base | AirTech® Comfort Layer, Unique Airflow System (Open Cell Foam), AirTech® Support Layer, Profiled Base Foam (3 Zones). |
| Cover | Removable knitted cover: A zipped, breathable cover, free from harmful substances (Oeko-tex 100 Standard) and suitable for allergy sufferers. | The zip at the half way mark on the mattress allows for easy removal and wash of the top part of the cover, giving you a fresh sleep, night after night. We recommend washing the cover once a month at 40 degrees to get the best sleeping experience. |
| Machine-washable cover | Yes | No |
| Ergonomic handles | Yes | No |
| Comfort | The soft CertiPUR® foam provides superior elasticity and 30x more airflow than memory foam. Infused with heat absorbing graphite. | The top AirTech® Comfort foam layer increases the cosiness of the mattress, giving the sleeper a great sleep, night after night. Manufactured in the UK, AirTech® foam is the very latest in memory foam technology, and is 30 times more breathable than some leading foam brands. This, and the memory foam's unique open cell technology, helps to promote air circulation, keeping your mattress fresh and keeps you cool and comfortable throughout the night. |
| Support | The Simba response foam is a firmer, open cell foam that offers excellent support and maintains airflow thanks to a less dense structure. It combines with a crenelated, high-density foam base provides zoned pressure relief to the potential problem areas like the shoulders and hips. | The OTTY Flex utilises our own AirTech® foam - an open cell foam which offers a perfect blend of comfort, breathability and support. The AirTech® Support layer helps to provide a great level of support. This helps to ensure the sleeper wakes up pain and niggle free. The pressure-relieving profiled base has three specially-designed zoning areas, which helps to improve comfortability. |
| Posts | – | The Relationship Between Exercise & Sleep Exercise and sleep are two separate natural human activities that have long been studied to… |
Size & weight
| Simbatex | OTTY Flex Memory Foam | |
|---|---|---|
| Available sizes | Single, Double, King, Super King | Single, Double, King, Super King |
| Dimensions | Single depth: 19 cm | – |
| Single weight (kg) | 21 | – |
| Double weight (kg) | 29 | – |
| King weight (kg) | 34 | – |
| Super King weight (kg) | 40 | – |
FAQs
Simbatex
How firm is the Simbatex foam mattress?
The Simbatex foam mattress has a firmness rating of 8/10, suggesting that it falls on the firmer side of the scale. This indicates that the mattress provides substantial support, making it an excellent choice for those who prefer a firmer sleeping surface or need additional back or joint support. However, individual comfort can vary, and it's always a good idea to try a mattress during the trial period to ensure it suits your personal preferences and needs.
Is the Simbatex foam mattress any good?
The Simbatex foam mattress is a quality product featuring four layers for support and cooling. Its open cell structure ensures enhanced airflow, providing 30 times more breathability than traditional memory foam. Infused with graphite, the foam regulates heat effectively, offering a balanced sleep environment. This mattress offers a plush yet supportive feel without common memory foam drawbacks like overheating or excess sinking.
What is Simbatex foam?
Simbatex foam is a unique material created by Simba, specifically designed to enhance cooling and breathability in their mattresses. It features an open-cell structure that promotes air circulation, helping to regulate temperature and keep the mattress cool. Additionally, it incorporates graphite particles which help to draw heat away from the body. This allows users to enjoy the plush, comfortable feel of foam without experiencing the overheating or excessive sinking often associated with traditional memory foam.
OTTY Flex Memory Foam
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Thank you for checking out this Simbatex vs OTTY Flex Memory Foam mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.
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