The TEMPUR® One Firm Mattress is the embodiment of TEMPUR®’s scientific advancements. An open cell structure responds to your body’s weight and warmth, constantly adapting to your unique needs, softening the mattress at your heaviest pressure points.

Technology derived from space

Firm visco-elastic cells provide you with full body support and pressure relief as you sleep. Adapting to your individual needs, these billions of spherical open cells contour to your body, continuously rearranging to support your body as you body changes in temperature, weight and movement.

These cells ensure the mattress gets slightly softer where your heaviest pressure points arise, so you feel extra support exactly where you need it.

The TEMPUR® ONE Firm Mattress contours to your unique body shape, without you feeling completely sunk in. You’ll feel supported, comfortable and tailored to with TEMPUR® Support Material offering you a firm and reliable sleep surface.

Derived from the material NASA uses to cushion astronauts in space, TEMPUR® Support Material ensures complete adaptive comfort as well as motion absorption. This means you won’t be disturbed by a partner in the night, with the TEMPUR® ONE Firm Mattress adapting uniquely to your individual needs.

A cool, refreshing night’s sleep

While regular memory foam is known for its heat retention, the TEMPUR® ONE Firm Mattress offers enhanced ventilation, encouraging air circulation throughout the mattress. Not only does this keep you cool and refreshed throughout the night, but creates a healthier sleeping environment, too.

An easily removable mattress cover allows you to clean away any spills quickly, increasing the TEMPUR® ONE Firm Mattress’ lifespan. A true staple of Danish design and honest craftsmanship, this mattress comes with a ten year manufacturer’s guarantee.

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• Perfect for back sleepers, but excellent support no matter what position you sleep in
• Motion absorption prevents a disrupted sleep
• Reactive support to changes in weight and temperature
• No need to flip or turn
• 10 year manufacturer’s guarantee
• Drift into a re-energising sleep
• Billions of visco-elastic open cells arrange themselves to support you
• Antimicrobial zip cover is easily removable and washable
• Enhanced breathability prevents heat retention

We provide our award-winning Free Next Day Delivery service to most locations, sending a proper night’s sleep out far and wide. Hassle-free and convenient, you can even choose a time and day that suits you, have us take your old mattress away for recycling, and get us to deliver to your room of choice!

In some places, a small fee will be charged to help us get you your best night’s rest as quickly as possible. Take a look at the following postcodes to see if this applies to you, and if you’re not sure, then use our helpful Postcode Checker to help you shop with confidence.

TEMPUR® 10 Year Guarantee

TEMPUR® are so certain you’ll adore your item, they offer an incredible ten year manufacturer’s guarantee. In the very unlikely case that you discover a defect as a result of faulty workmanship or material within your TEMPUR® product, we will arrange to repair or replace your item up to ten years from the date of delivery. Please see below for further details:

Download warranty/guarantee information