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Simba Hybrid® Ultra Mattress

Name: The Simba Hybrid® Ultra Mattress
Brand: Simba Sleep
Price: 2399.25 GBP
Availability: InStock
Rating: 4.7 (392 reviews)

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

Soft
Medium soft
Medium firm
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.
Includes complimentary Mattress Protector worth up to £169.

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

Two
layers
Best
cooling
action
Optimum
heat absorption
Best
cushioning

We know being too hot stops us sleeping well. That’s why our tech team created cooling, cushioning Simbatex® foam in the first place. But the Ultra is the only Simba mattress to have a revolutionary, double layer of it.

Simbatex is an open-cell foam, with a less dense structure that offers much better, springier elasticity and more airflow; it’s also infused with graphite, a natural heat conductor which helps excess warmth and humidity flow away from the body.

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

x4 layers
Best
contouring
Anti-
motion
transfer
Optimum
cooling

Our technologists insisted on 8,500 springs in the Ultra, more than any other Simba mattress. They said it was the path to perfection, and we couldn’t argue with that.

4,000 titanium alloy Aerocoil® micro springs sit in the upper layers. You can’t feel them, but they compress individually in response to your body, providing ergonomic pressure relief and limiting transfer of movement.

3,500 high carbon steel Aerocoil® micro springs sit further down the mattress to maximise support, gently pushing fresh air through the mattress as they compress.

The Hybrid® Ultra also features our SupportCore™ base, with 1,000 pocketed barrel springs to ensure 100% edge-to-edge support.

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

Simba

For perfect spinal alignment

TOO FIRM

Lacks cushioning

The Hybrid Ultra: Layer by Layer

Working together for perfect comfort

Dimensions
- 90X190 UK SINGLE MATTRESS
- 135X190 DOUBLE MATTRESS
- 150X200 UK KING MATTRESS
- 180x200 UK SUPER KING MATTRESS
Mattress Technology

The Simba Hybrid® Ultra Mattress is 34cm deep and includes 8 carry handles (Single size has 4).
- Layers 1 & 2.
  
  Top cover: 500g knitted top cover (due to range consolidation fabric spec may vary slightly between 02/24 and 07/24) with zip-off, washable sleep surface, replacement covers available to purchase.
  100% polyester fibres. 60% recycled
  Inner cover: 100% polyester 100% recycled
- Layer 3.
  
  (250gms) Wool (80%), charcoal-infused bamboo (10%), & kapok fibres (10%). 100% renewable and biodegradable.
- Layers 4 & 5.
  
  CertiPUR® ® foam (graphite infused) 100% recyclable.
- Layer 6.
  
  Latex and coconut fibre blend. 100% renewable and biodegradable.
- Layer 7 & 8.
  
  CertiPUR® foam border, conical Aerocoil™ pocket springs, manufactured in Leeds from titanium alloy and high-carbon steel, enclosed in a 100% polypropylene pocket. 100% recyclable.
- Layer 9.
  
  CertiPUR® foam. 100% recyclable.
- Layer 10.
  
  CertiPUR® foam border; up to 3,500 Aerocoil® springs manufactured in Leeds from high-carbon steel, enclosed in a 100% polypropylene pocket. (high carbon steel) 100% recyclable.
- Layer 11.
  
  Barrel spring casing made from 100% polyester spun fibres. 100% recycled.
- Layer 12.
  
  Barrel springs made from high carbon steel. 100% recyclable.
- Layer 13.
  
  CertiPUR® foam, 100% recycled.
Rotate your mattress once a month for the first three months, then every three months or seasonally thereafter.

Top cover: the top section of the outer cover can be zipped off and washed at 40°C on a reduced spin cycle, then line dried (If it can’t be washed/dried/replaced in the same day, the inner fabric cover is suitable to sleep on.)
- Do not use bleach
- Do not tumble dry
- Do not iron
- Do not dry clean
Base cover: the grey base fabric can be cleaned with a soft, damp, clean cloth using small circular motions.

Award winning tech

See all awards

SUSTAINABILITY

Greener, cleaner.

300,000+ five-star reviews* (and counting)

Read Reviews

Someone who doesn’t sleep that well it couldn’t be better.

Paul
The Simba Hybrid® Ultra Mattress

It is very comfortable and we are now managing to get a full night’s sleep.

George T
The Simba Hybrid® Ultra Mattress

Everything’s been great. The delivery, the mattress, our sleep!!! It’s ridiculously comfy. Thank you!

Abigal W
The Simba Hybrid® Ultra Mattress

We strive to continuously improve in all areas, and a review left for Simba by a customer necessarily relates to the products and/or services which were delivered to that customer at a particular point in time.