Premium 2-Inch visco elastic memory foam relieves pressure points, helping cradle the body and align the spine - Twin 34 x 72 inch * 7-Zone body comfort system therapeutically massages your body and provides a cushiony-soft sleeping surface to reduce tossing and turning * Eggcrate wave patterns are specially designed to be more delicate by the feet and head and more supportive near the shoulders and mid-section. * Open-cell cool memory foam sleeps cooler than traditional memory foam * Temperature sensitive, hypoallergenic, spot clean only