The Sealy Response Performance Collection 1 mattresses are a real value featuring Exclusive Posturepedic Technology. The SealyCoolâ„¢ Gel Foam in the center third of the of the quilt layer gives you cushion and support where you need it most. Supported with the Sealy Responseâ„¢ Coil and layers of Sealy Foam including a thick layer of SealyCushionâ„¢Air Foam, you'll find a Sealy mattress that is comfortable and just right for you.