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Or as low as £41.80 monthly
Based on single mattress
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The Simba Hybrid® Ultra Mattress has a rating of ["4", "7"], based on 316 reviews.

View Reviews & 1 Awards

Simba Hybrid® Ultra Mattress

Our dream mattress. A luxurious cocooning fusion. Thirteen layers of remarkable natural materials and our signature tech.

8,500 Springs 34cm Depth 13 Layers FusionCool™
heat control
Pure Lift


Medium soft

Medium firm


Hybrid® Ultra Highlights

  • Luxury, visionary design. More of our signature tech than ever before, combined with high-performance natural materials.
  • Best ergonomic comfort. Our highest ever spring count offers more personalised contouring and optimum pressure relief.
  • Coolest sleep. A double layer of Simbatex® foam. For twice the cooling airflow of the Hybrid® Luxe & more luxurious cushioning.
  • Thermo-regulating FusionCool™. Our own blend of kapok, wool & bamboo for an extra coolingtop layer.
  • Boosting PureLift®. A unique blend of latex & coconut for superb, natural support & breathability.
  • Breathable cover. Knitted cover supports breathability and keeps mattress fresh.
  • Made in the UK. With UK sourced materials, in zero-waste factories.
  • 100% recyclable. We also offer a mattress removal service, no purchase required.
  • Arrives flat for immediate use & includes FREE mattress protector.

Hybrid® Ultra: Tech Spotlight

FusionCool® top layer

Naturally cool. Naturally dry.

Our tech team were laser-focussed on creating the coolest, most comfortable top layer for the Ultra. In lab tests, a combination of breathable wool, airy bamboo and cooling charcoal was the best performer. But there was something missing.

Meet natural, silky-soft kapok. Found in the rainforests of Southeast Asia, kapok is one of the lightest plant fibres on earth, with an air content of 80% and a fine wax coating that makes it moisture resistant. The high air content makes it breathable, thermo-regulating.

More air. More fresh.

Simbatex® foam technology

Naturally boosted.

Purelift™ ergonomic support

Being inventive isn’t always about creating new materials; sometimes it’s about finding fresh ways to use traditional ones. Which is exactly what our tech team did with latex and, coconut.

PureLift™ is the fusion of naturally elastic latex and breathable coconut fibres, famous for their properties of resistance and bounce. In product testing, this unique blend created an incredible spring-like layer with superb airflow and pressure distribution, adapting to your body shape to provide exceptional and complete support.

Our highest spring count ever

Best Aerocoil® spring comfort

Hybrid® range features

What’s special about a Simba?

Why Simba suits everyone

All shapes, sizes & sleep positions

Simba is the most five-star rated mattress brand in the world. Because our unique Hybrid® mattress technology is designed to feel perfectly comfortable to everyone, no matter their shape or sleeping style.

It’s a balance between providing ergonomic pressure relief for your body, and correct alignment for your spine; Simba’s signature tech ensures a ‘hugged’, cradled feeling in the upper layers, and perfect spinal support in the base layers, with adjustment for hips and shoulders.

P.S. We rate our Hybrid mattresses as ‘medium-firm’. There’s no universal firmness rating system in the industry, so we’ve based our design on independent studies that show this is best for sleep quality and comfort.

too soft

Lacks support


For perfect spinal alignment


Lacks cushioning

The Hybrid Ultra: Layer by Layer

Working together for perfect comfort

Award winning tech


Greener, cleaner.


Simbatex Essential

3 comfort layers
Cooler Simbatex® foam


4 comfort layers
Cooler Simbatex® foam
+ Extra foam support layer


4 Comfort layers
x1,500 Aerocoil Springs

Hybrid® Original

6 Comfort layers
x2,000 Aerocoil® springs


8 Comfort layers
x4,000 Aerocoil Springs
+ Cooling natural wool layer
+ Free protector


11 Comfort layers
x6,000 Aerocoil Springs
+ Cooling natural wool layer
+ Free protector

Currently viewing


13 Comfort layers
x8,500 Aerocoil Springs
+ Cooling natural wool layer
+ Free protector

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