Save up to 70% Off + FREE Delivery! Learn more

Get 2 FREE pillows when you buy any mattress. Learn more

Posture Flex Ultra Gravity Gel infused Pocket 2000 Encapsulated Mattress

£499.99 £799.99


Add Service

Rated Excellent

ā™»ļø Old mattress removal & recycle add to checkout.

Reasons to Buy

Free 60 Night Comfort Sleep Trial

Try this mattress risk-free for 60 nights. Love it or exchange it — your comfort is guaranteed!

2 Free Pillows

Get 2 FREE Luxury Pillows! Cradle your head and neck with breathable, hypoallergenic cover and hollow fibres, offering cool, gentle support for all sleep positions.

Pocket Springs

Individually encased springs in fabric pockets, expertly adjusting to your movements to provide tailored support for every part of your body.

Pressure relief

Engineered for optimal comfort, this design offers targeted pressure relief by evenly distributing weight and reducing stress on key areas, promoting a more restful and comfortable experience.

Micro-quilted

A soft, durable fabric with fine stitching for extra comfort and a sleek look. This creates a smooth flat surface.

Hypoallergenic

Allergy-free for a purer, healthier sleep. Made without allergenic materials, it allows you to rest peacefully without worrying about allergies or respiratory concerns.

Foam encapsulation technology

Foam encapsulation technology reinforces mattress edges with a high-density foam border, enhancing durability, stability, and edge-to-edge support while maximizing the usable sleeping surface.

Cooling gel

Advanced, rejuvenating, temperature-controlled sleep environment.

Minimise Disturbance

This mattress reduces motion transfer, ensuring a peaceful night’s sleep, even if your partner moves around.

Lower back support

Designed to provide essential support for the lower back, this feature helps maintain proper posture and reduces strain, ensuring comfort and relief during extended periods of sitting or resting. Ideal for chairs, mattresses, and ergonomic seating solutions.

Flotech memory gel

Discover the soothing comfort of Flotech Memory Gel, a breakthrough material designed to provide personalized support and cooling relief. The gel adapts to your body's contours, evenly distributing weight to relieve pressure points while its advanced cooling properties regulate temperature throughout the night.

Luxurious fillings

Crafted with luxurious fillings, offering enhanced comfort and a plush, restful experience.

Air vents

Boosts air circulation within the mattress for a fresher experience, while reducing moisture build-up to promote a cleaner, more hygienic sleep environment.

Description

Ultra Gravity – Weightless Comfort, Maximum Support

Discover the perfect fusion of luxury, innovation, and support with the Ultra Gravity Mattress—designed to elevate your sleep to new heights. Crafted with precision, this mattress offers an unparalleled sleeping experience, keeping you cool, comfortable, and fully supported every night.

Ā Why Choose Ultra Gravity?

āœ” Cooler, Fresher Sleep – Maxi Cool Fabric and a micro-quilted surface wick away moisture and regulate temperature, ensuring a crisp, refreshing feel all night long.

āœ” Pressure-Free Comfort – A dynamic blend of Gel-Infused Foam and Flo Tech Foam contours to your body, relieving pressure points while delivering weightless relaxation.

āœ” Unrivalled Support System – FeaturingĀ 2000Ā individually pocketed springs, Ultra Gravity adapts to your body’s movements for customised support, reducing motion transfer for uninterrupted sleep.

āœ” Edge-to-Edge Stability – Maxi Edge Support and foam encapsulation reinforce the mattress perimeter, preventing sagging and giving you a fully usable sleep surface.

āœ” Breathability & Longevity – Built-in air vents enhance airflow, preventing heat buildup and maintaining a fresh sleep environment.

āœ” No Hassle Maintenance – This non-turn mattress is designed for convenience—simply rotate for lasting performance.

āœ” Health & Hygiene First – Hypoallergenic & moisture-absorbent, making it ideal for allergy sufferers and those who crave a cleaner sleep space.

āœ” Sleep With Confidence – Comes with a 1-year guarantee, ensuring quality you can trust.

Ā Ultra Gravity isn’t just a mattress—it’s a revolution in sleep comfort. Whether you’re a side sleeper, back sleeper, or somewhere in between, this mattress provides the perfect balance of plush cushioning and firm support.

Ready to feel the difference? Upgrade to Ultra Gravity today and wake up feeling truly refreshed, night after night.

All of our mattresses comply toĀ UK Fire FlammabilityĀ standards.

Mattress fabric shown in the photo can change due to availability and trend shifts in the market place.

Reviews (0)

Dimensions

SIZE WIDTH LENGTH DEPTH
Single 90cm 190cm 29cm
Small Double 120cm 190cm 29cm
Double 135cm 190cm 29cm
King Size 150cm 200cm 29cm
Superking 180cm 200cm 29cm
Superking Zip and Link 180cm 200cm 29cm


Please allow for a tolerance of +/- 2cm

Delivery

Third party independent couriers (weekdays) Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā 

Order before 4pm Mon-Thu or 2pm Sat

Ā  Ā  Ā  Ā  Ā  FREEĀ 

Weekday delivery

Order up to 60 days ahead

Ā  Ā  Ā  Ā  Ā  FREE

Weekend

On Saturday or SundayĀ 

Ā  Ā  Ā  Ā  Ā  FREE

Ā 

Ā 

Delivery to the front door of your building Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā 

Free upgrade for Double, King Size and Superking to your room of choice

Yes Ā  Ā Ā 

Four-hour delivery time slot

We’ll let you know on the day before your delivery

Yes

Call to let you know we’re on our way

On your delivery day (30 mins prior)

Yes


Delivery to your room of choice Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā Ā 

Free upgrade for Double, King Size and Superking

Ā£20.00

Mattress recycling

We'll take away your old mattress

Ā£39.99


Delivery is on an all-day service, 7am - 8pm for mainland England and most of Scotland, Wales and Northern Ireland.

Need further information? Please visit our deliveryĀ page.

60-Night Comfort Trial

This mattress comes with a free 60-night comfort trial, just like all of our mattresses.

We encourage you to sleep on your new mattress for at least 30 nights, as it can take time for your body to adjust. If, after 30 nights, it’s not feeling quite right, simply get in touch — we’ll be happy to swap it for you.

Still not in love by night 60? No worries. The comfort trial gives you the flexibility to find the perfect fit.

Mattress Stop

Posture Flex Ultra Gravity Gel infused Pocket 2000 Encapsulated Mattress

From £499.99 £799.99

Ultra Gravity – Weightless Comfort, Maximum Support

Discover the perfect fusion of luxury, innovation, and support with the Ultra Gravity Mattress—designed to elevate your sleep to new heights. Crafted with precision, this mattress offers an unparalleled sleeping experience, keeping you cool, comfortable, and fully supported every night.

Ā Why Choose Ultra Gravity?

āœ” Cooler, Fresher Sleep – Maxi Cool Fabric and a micro-quilted surface wick away moisture and regulate temperature, ensuring a crisp, refreshing feel all night long.

āœ” Pressure-Free Comfort – A dynamic blend of Gel-Infused Foam and Flo Tech Foam contours to your body, relieving pressure points while delivering weightless relaxation.

āœ” Unrivalled Support System – FeaturingĀ 2000Ā individually pocketed springs, Ultra Gravity adapts to your body’s movements for customised support, reducing motion transfer for uninterrupted sleep.

āœ” Edge-to-Edge Stability – Maxi Edge Support and foam encapsulation reinforce the mattress perimeter, preventing sagging and giving you a fully usable sleep surface.

āœ” Breathability & Longevity – Built-in air vents enhance airflow, preventing heat buildup and maintaining a fresh sleep environment.

āœ” No Hassle Maintenance – This non-turn mattress is designed for convenience—simply rotate for lasting performance.

āœ” Health & Hygiene First – Hypoallergenic & moisture-absorbent, making it ideal for allergy sufferers and those who crave a cleaner sleep space.

āœ” Sleep With Confidence – Comes with a 1-year guarantee, ensuring quality you can trust.

Ā Ultra Gravity isn’t just a mattress—it’s a revolution in sleep comfort. Whether you’re a side sleeper, back sleeper, or somewhere in between, this mattress provides the perfect balance of plush cushioning and firm support.

Ready to feel the difference? Upgrade to Ultra Gravity today and wake up feeling truly refreshed, night after night.

All of our mattresses comply toĀ UK Fire FlammabilityĀ standards.

Mattress fabric shown in the photo can change due to availability and trend shifts in the market place.

Size

  • Small Single
  • Single
  • Small Double
  • Double
  • Kingsize
  • Superking
View product