The Sealy Response Premium Collection of mattresses provides a great value in a Premium mattress. You'll enjoy Exceptional support from exclusive Posturepedic Technology™, support elements like the Sealy Response Pro™ HD Encased Coil, 960 (Queen) encased coils and layers of special Sealy foams, these mattresses are designed to adapt to your body and support you. Featuring added support in the middle third, using SealyCool™ Gel Memory Foam, to support you where you need it most. Sealy's DuraFlex™ Edge let's you sleep to the edge of your mattress without feeling like your falling off your bed. With its innovative sleep enhancing cover technologies, you'll be able to fall into a deep relaxing sleep.