Plush 1000-density individually wrapped coils with body-conforming Micro coil upgrade offer responsive pressure relief and Tuft & Needle's most premium bounce-back support.Foam-encased seating edge provides corner-to-corner edge support to eliminate sleep partner disturbances. The cool-to-the-touch cover and T&N AdaptiveCool gel foam technology is designed to help absorb heat for a cooler nights sleep. A Micro Diamond memory foam upgrade is designed to help transfer heat away from the body for a comfortable rest. Conveniently raise or lower the head of your mattress using the RTG Sleep 3900 adjustable base with wireless remote control.