Our most adaptive TEMPUR mattress yet with TEMPUR Advanced Material for our best ever pressure relief* and outstanding motion absorption, combined with SmartCool cover technology. The TEMPUR Pro SmartCool Firm is a firmer mattress feel and at 21cm in mattress height it offers conforming comfort and body support. KEY FEATURES:. *Firm Tension - Good for people who sleep on their front or back. *The only mattress brand recognised by NASA and certified by the Space Foundation *Features new cutting edge Tempur Advanced Material designed to provide the ultimate support and pressure relief *Removable Pro SmartCool cover to keep you cool and refreshed during the night and is easily removed to wash at 40C *Hypo-allergenic mattress that is sterilised and dust free, therefore ideal for allergy sufferers and people with asthma *Free 10 year guarantee for total peace of mind MATTRESS DIMENSIONS:. *Small Single Long W 75cm 2ft6 x L 200cm 6ft6 x D 21cm 8.2 Weight: 20kg *Single W 90cm 3ft x L 190cm 6ft3 x D 21cm 8.2 Weight: 23kg *Long Single W 90cm 3ft x L 200cm 6ft6 x D 21cm 8.2 Weight: 24kg *Small Double W 120cm 4ft x L 190cm 6ft3 x D 21cm 8.2 Weight: 30kg *Small Double Long - W 120cm 4ft x L 200cm 6ft6 x D 21cm 8.2 Weight: 31kg *Double W 135cm 4ft6 x L 190cm 6ft3 x D 21cm 8.2 Weight: 34kg *Long Double - W 135cm 4ft6 x L 200cm 6ft6 x D 21cm 8.2 Weight: 35kg *King Size W 150cm 5ft x L 200cm 6ft6 x D 21cm 8.2 Weight: 39kg *European King Size W 160cm 5ft3 x L 200cm 6ft6 x D 21cm 8.2 Weight: 41kg *Super King Size W 180cm 6ft x L 200cm 6ft6 x D 21cm 8.2 Weight: 46kg *Small Emperor W 200cm 6ft6 x L 200cm 6ft6 x D 21cm 8.2 Weight: 50kg *Based on internal tests comparing TEMPUR Original with TEMPUR Advanced Material, carried out by Dan-Foam ApS between May 2022 March 2023. The company and its products are recognised by NASA. At a joint press conference on May 6, 1998, NASA recognised TEMPUR39;s outstanding achievements in adapting the original NASA technology for everyday use and improving the quality of life for humankind. Visittempur.com/spacefoundationfor certification information..