The Sealy Posturepedic® Pro Spring Medium mattress offers pressure-relieving comfort and targeted support to help maintain natural body alignment and reduce nagging Bed Aches™ night after night. The orthopedic-inspired Posturepedic® Pro Support System features exclusive PrecisionFit™ Coils enhanced by MaxSupport™ Technology for all-over support. And the DuraFlex™ Coil Edge provides a reinforced solid surface that’s built to last.