Upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam, the Sealy Posturepedic Hybrid Paterson 12"" Medium Firm Mattress provides the means to a more comfortable and restorative sleep. A reinforced coil edge increases durability, while the soft knit cover helps keep you cool and the mattress protected. Its medium firm build delivers a pleasant balance of support and softness that is ideal for the combination sleeper.