The Sealy Posturepedic Exquisite Countess Flex Firm – Long Single mattress delivers exceptional support and long-lasting comfort with premium craftsmanship. Featuring Sealy’s FLEX Mattress Technology and the RestSupport 3-stage coil system, it provides advanced body alignment and reduced motion transfer for uninterrupted sleep. The SMARTEX® fabric regulates body temperature, while NewLife™ sustainable fibres made from recycled materials reflect Sealy’s eco-conscious innovation. A blend of premium wool fibres, Deep SenseComfort foam, and supersoft quilt layers add cushioning without compromising firmness. With COMFORTCORE® gel-infused pressure relief, UniCased XT edge reinforcement, and a DuraFlex® shock-absorbing base, this Australian-made mattress ensures durability and support, backed by a 10-year warranty. (Bed base sold separately.)