Our innerspring mattresses offer exceptional full-body support with ease of movement, for that sleep-on-top feeling and the comfort you want. Durable all-over support, plus exclusive Posturepedic Technologyâ„¢ for reinforced support where you need it most, for a truly comfortable nightâ€™s sleep. Zoned Support. SealyCool Gel Foam. DuraFlex Edge (Coil Edge).