Spring Air's Payton Collection, brings you a deluxe, long wearing, supportive, cooling and comfortable mattress. A high volume of Individually Wrapped Coils, strategically placed for maximum support and pressure relief. Multiple layers of comfort foam, including Cooling Gel Foam, provide long lasting comfort. A posturized center support adds comfort to your lumbar area. You'll sleep cooler with a cooling cover and Phase Change Technology giving you a cool to the touch cover. This firm model is ideal for a stomach or back sleeper.