The innovative Hybrid design provides the best of both world: lightly-contouring comfort on top, with stable deep down support below and includes the exclusive Posturepedic Technology™. This Hybrid Performance Plush mattress features the cool-to-the-touch Chill™ technologies that help promote a comfortable sleeping environment, a layer of Sealy Immersion™ advanced memory foam for a more breathable and comfortable sleep surface, SealyCushion™ extra soft foam, Sealy ComfortSense™ Foam designed to respond to your body's unique shape for more comfort, SealySupport™ firm foam, DuraFlex™ coil edge system, and zoned support for even better support where you need it most.