This firm mattress delivers cushioning and flexibility, plus additional airflow from its unique design, for a more comfortable night of sleep. The Sealy Posturepedic Mohegan Bluffs Medium Full Mattress features a Sealy's motion-reducing encased coil system with a targeted, breathable memory foam support layer, plus a DuraFlex Coil Edge increasing durability, MoistureProtect that helps keep you cool, and Surface-Guard Technology that keeps the mattress protected. Enjoy a deeper level of comfort and conforming support where you need it most.