Reduces tossing and turning resulting in a more relaxed night's sleep and increased energy the following day. Patented Ring of Air design helps circulate air around your body, further enhancing the comfort of the sleeping surface. Utilizes a four-zone design and a unique combination of temperature-sensitive "memory foam" that gently molds to the contours of your body providing full support and ultimate comfort. Originally developed for NASA astronauts to provide superior sleeping and sitting surfaces during their long flights, "memory foam" responds to your body heat, molding itself to your precise body contours - yet always returns to its original shape. Greatly reduces pressure points. Rejuvenates old mattresses and prolongs the life of new ones. Fabricated from high-quality, hypoallergenic polyurethane foam, CA 117 fire retardant.

4-Zone Comfort