The Sealy Posturepedic® Plus Hybrid Medium mattress combines pressure-relieving comfort and targeted support to help maintain natural body alignment and reduce nagging Bed Aches™ night after night. The orthopedic-inspired Posturepedic® Plus Support System features exclusive PrecisionFit™ Coils, arranged right where you need them. Plus the DuraFlex™ Coil Edge provides a reinforced solid surface that’s built to last.