A luxurious piece for those who desire exceptional support throughout the night. Sealy brings together the trusted Response Pro Encased Coils and layers of memory foam of similar Posturepedic Spring mattresses with a soft surface on its Posturepedic Chaddsford 11" Ultra Firm Mattress. Its heavy-duty coils reduce movement, allowing for a more undisturbed sleep while layers of varied memory foams deliver targeted support that contours to your body. A reinforced edge improves durability, while cover treatments help to keep you cool and the mattress protected.