This premium mattress features a SupremeLoft cover with AllergenProtec. A layer of Sealy MoistureProtect provides a truly comfortable night's sleep. The ResponsePro HD encased coil system includes individually wrapped coils to give more targeted support & reduced motion transfer. Sealy's Posturepedic Technology gives zoned support in the center of the mattress where needed most. A layer of SealyCool gel memory foam conforms to your body & provides flexible support.