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Why Simba feels so comfortable for everyone

The tech inside the world’s most five-star reviewed mattress brand.

All Simba Hybrid® mattresses combine unrivalled comfort layers at the top and tailored support layers at the base.

The upper layers feature thousands of our tiny, titanium Aerocoil® springs; these patented, pocketed springs flex and compress individually to absorb impact as you move and in response to pressure, giving a hugged, floating sensation to most sizes or sleeping styles. The base layers feature zoned support to help keep the body correctly aligned, with gentler support and extra cushioning for the shoulders and lower back.

There are many ‘soft to firm’ rating systems in the mattress industry worldwide. As a guide, our mattresses provide medium-firm support on one scale. Independent studies have suggested medium-firm mattresses, on some rating scales, promote sleep quality and comfort.

too soft

Lacks Support


For perfect spinal alignment


Lacks cushioning

5ingenious things you should know about the Simba Hybrid® Pro

It’s simple really: we’d love to help you sleep soundly and comfortably, so we use all the latest engineering and technology to do so. So have a read about all our unique and patented innovations; at the very least, your new scientific knowledge will impress your friends…

A double layer of
Simba Aerocoil® micro springs

For twice the comfort, twice the airflow

The key to our incredible, upper comfort layer, and our pride and joy, these springs are made from super-strong titanium. So even in a micro size (they’re just 2.5cm high, with wire the width of a very thin paperclip) they can provide the comfort you need. But being so small and fine, you won’t be able to feel them. Not even when we position them at the top of your mattress. Which is exactly where your body needs them.

It's not rocket science (that’s’ where the titanium comes in) but we worked out that if we introduced two layers of our Aerocoil® springs we’d achieve a double helping of Simba benefits; full and responsive body support, increased airflow in the comfort layers and no sleep disturbance when your partner shifts and turns. So the Hybrid® Pro incorporates up to 4,000 titanium micro-cones of comfort, 2,000 across each layer; each one is fine-tuned to create thirteen zones of differing resistance to provide the extra cushioning needed by areas such as hips and shoulders.

It’s a double act that’s not to be missed.

Simbatex Foam Technology

Traditional memory foam

The fresh feel of
Simbatex® foam

For pitch perfect temperature control

Being too hot at night is a big no-no for sleep. That’s why our sleep scientists created our innovative Simbatex® foam; it’s an open-cell foam, which offers more elasticity and 30x more airflow than standard memory foam. We’ve also infused it with natural, heat conductive graphite, to draw away excess warmth from your body.

So when it comes to comfort and temperature regulation, it’s absolutely clear that our patented Simbatex® foam is a high-tech winner. That said, we know that LESS foam is definitely more when it comes to protecting the planet. Consequently we’ve chosen to replace our foam base with our new SupportCore™ sprung base, resulting in up to 62% reduction of foam in our Hybrid mattresses.

And you thought foam was just, well, foam? Not in our book.

  • Breathable, anti-allergy covers
  • Anti-allergy, natural wool layer
  • Open cell Graphite Infused Simbatex®
  • Up to 4,000 Aerocoil® titanium springs
  • CertiPUR® stability layer
  • No roll-off SupportCore™ Base
  • Simba ReGen™ base layer

Eight layers of patented Simba technology

Eight layers? And every single one plays their part in helping you sleep better, in the most sustainable way.

Breathable, anti-allergy covers

A soft, knitted sleep surface (which zips off for washing) keeps your mattress fresh and cool; an inner cover protects the internal layers when the top cover is in the wash.

Simba ReGen™.
It’s a Foam from Foam.

For Simba, a healthier planet is as important as restful sleep. And there’s no time to waste. Literally.

We’ve used certified, recycled fibres in our mattress covers, but recycling foam has always been trickier - there are only so many dog beds the world needs after all.

So we’re thrilled to have come up with Simba ReGen™, our new mattress base layer. It’s made from suitable, surplus foam and turned into a high-quality product created to strict density levels; all the foam used is CertiPUR® standard so it’s free of environmental pollutants and toxic materials.

So that’s less to landfill, AND less new resources… What a win.


It definitely has the ‘edge’

Our innovative edge-to-edge springs are at the heart (or should we say base) of this, up to 68% less foam mattress. Up to 1000 of them work together to provide robust support right across the mattress, allowing you to sleep up to the very edges with no dipping. Made from tempered steel, these deep, barrel-shaped springs also increase breathability through the mattress and are encased in fabric to ensure they respond independently to pressure.

All that, and they can still be compressed and rolled to enable boxed delivery.

So not all great engineering is building and bridges.

Our recipe for a sustainable sleep

(The story so far)
All mattresses
100% recyclable
In 2023 foam
will be reduced
by up to 68%
certified recycled
mattress cover
60% recycled
packaging (FSC
All deliveries 100%
carbon neutral
All mattresses
made in the UK
Target of Net Zero by 2030
All of our deliveries are 100% carbon neutral. We have worked hard to measure all of the emissions we create and as a result have offset all greenhouse gas emissions for customer deliveries.

Our Awards

  • The Simba Hybrid Pro is a bed-in-a-box that delivers the highest levels of comfort.

  • “A winning combination of cloud-like lightness, temperature regulation and unparalleled support.”

  • “For the second year running, the T3 Award for Best Mattress goes to the Simba Hybrid Pro. This seven-layered model features a cushiony soft topper, a natural wool layer to help regulate heat and stop you from becoming too toasty or too chilly overnight”

  • “Our testers praised the comfort and support! With a cosy and luxurious feel, this mattress is one to be recommended to all.“

  • “Simba’s premium mattress is the most comfortable bed-in-a-box we’ve ever tested.”

  • “Out like a light and stayed that way until morning.”

  • “Seven incredible layers built-in to this mattress which all work together to give you a comfy nights sleep.“

  • “A premium hybrid mattress with great airflow and heat regulation.“

  • “The Hybrid Pro has been a dream to retreat to at the end of each day.”

  • “A consistently good night’s sleep from the first night!”

Why you can rest easy with Simba...

We're experts in the science of sleep, and over a million customers have already trusted us to give them the best night's sleep they've ever had.

  • Top Rated and Award Winning

    Top Rated and Award Winning

    We have 250,000 five-star reviews, which is more than any other mattress brand in the world; we’ve also won over 50 sleep industry awards including 8 Hybrid Pro awards.

  • A Proud British Company

    A Proud British Company

    We design and make all our mattresses in the UK, creating local jobs and reducing our environmental impact.

  • Expert Sleep Science

    Expert Sleep Science

    Using body profile data from ten million sleepers, our sleep scientists have created a mattress designed and crafted for every sleeping style and body type.

  • Simba Service Promise

    Simba Service Promise

    We offer free delivery and returns, with a 200-night free trial and a 10-year guarantee. You can also shop with 0% finance over 12 months, pay nothing for a year and take monthly payments up to 3 years.

The Mattress Range

  • Simbatex® Essential

    Simbatex® Essential

    budget friendly


    Shop Simbatex® Essential
  • Simbatex® Foam

    Simbatex® Foam

    Cooler, Fresher Foam


    Shop Simbatex®
  • Simba Hybrid® Essential

    Simba Hybrid® Essential

    Patented Comfort - Lower Price


    Shop Hybrid® Essential
  • Simba Hybrid®

    Simba Hybrid®

    1/2 Million Sold - 11 Awards


    Shop Hybrid®
  • Simba Hybrid® Pro

    Simba Hybrid® Pro

    Best Seller - Advanced Support


    Shop Pro
  • Simba Hybrid® Luxe

    Simba Hybrid® Luxe

    Latest Tech - Ultra Plush

    11 LAYERS | 31CM DEPTH

    Shop Luxe
  • Simba GO

    Simba GO

    sustainable comfort


    Shop GO

Happy Sleepers

We rest better when we know your honest opinion of us. Check out reviews from Simba sleepers below.

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