Inside the Snow: Our signature cooling hybrid mattress. Designed with soothing foam and encased coils for a supportive, medium feel plus Snow Technology for 12+ hours of cooler sleep. Best Solution For: Hot sleepers and tossing and turning. Specialty cool to the touch fibers in the Snow Cover give an instantly refreshing feel to help you get cozy. Phase Change Material instantly pulls heat away while HeatDelete Bands work all night to remove excess body heat to help you sleep cooler all night long. Engineered with ZonedSupport to keep your spine in ergonomic alignment with firmer foam under the hips, waist, and lower back. Individually pocketed Flex Coils flex to your body to reduce motion transfer and boost support.