Cleverly engineered to support your body's natural sleeping position and minimise movement, the Halo mattress - part of the Sealy Posturepedic Elevate range - combines the latest technology and materials for the ultimate night's sleep. Features include the revolutionary AlignSupport titanium spring system which responds to your natural alignment, Unicased edge support to maximise your sleep surface, a Sense ComfortCore support layer to relieve lower back pressure, and SmarTex fabric to remove moisture and regulate your temperature for a comfortable night, every night. Sunday sleep-ins here you come. Sealy Halo Medium Mattress Long Single by Freedom