The 800 density Beautyrest Pocketed Coil springs provide conforming back support that help you maintain the ideal sleep posture. The AirCool® Foams, AirCool® Memory Foam and GelTouch Layer provide pressure relief and additional support for cool, comfortable sleep. Its unique AirCool Design that enhances airflow and allows the mattress to breathe. This design includes the ventilated AirCool® BeautyEdge® Foam Encasement, designed to enhance airflow through the mattress as you sleep while providing comfort all the way to the edge. A hi-tech AirCool® Mesh Border Fabric allows the mattress to breathe so you can sleep more comfortably.