The Sealy Posturepedic(R) Broad Knoll Hybrid Firm Mattress combines lasting comfort and superior support to help maintain natural body alignment and reduce nagging Bed Aches(TM). The orthopedic-inspired Posturepedic(R) Support System features exclusive PrecisionFit(TM) Coils, arranged right where you need them. Plus, the Coil Edge provides a solid surface that's built to last. The hybrid construction combines these coils with Sealy memory foam, creating an ideal sleep surface. Sealy is America's #1 Mattress Brand,* dedicated to exceeding industry standards for quality. That's why you can expect years of reliable support and restful sleep.