Durable all-over support, plus exclusive Posturepedic Technology™ for reinforced support where you need ti most, for a truly comfortable night's sleep. This Joanne Cushion Firm Euro Top mattress set by Sealy features a layer of SealyCool™ gel foam for additional flexible and durable support, the DuraFlex™ Edge system for better edge support, more usable sleeping surface and improved durability, and the zoned support that reinforced the center to support the heaviest part of your body, where you need it the most.