Ultimate cooling hybrid mattress. Specialty cool-to-the-touch fibers give an instantly refreshing feel. Phase Change Material and HeatDelete Bands remove excess body heat and help you sleep 6 degrees cooler all night long. Precision-cut foam and encased coils for a breathable and supportive medium-soft feel. Ultra-supportive Align+ Memory Foam keeps you aligned for your deepest sleep. Firmer center foam cradles your body while giving added support to your hips, waist and lower back. Individually pocketed Flex Coils flex reduce motion transfer and boost support. Conveniently raise or lower the head of your mattress using the RTG Sleep 2900 adjustable base with wireless remote control.