Casper signature cooling hybrid mattress. Specialty cool-to-the-touch fibers give an instantly refreshing feel. Phase Change Material instantly pulls heat away while HeatDelete Bands remove excess body heat to help you sleep 5 degrees cooler all night long. Soothe Memory Foam conforms to the body and gently eases you into deep sleep. Zoned Support helps keep your spine in alignment with firmer foam under the hips, waist and lower back. Individually pocketed Flex Coils 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.