A proprietary combination of multilayered memory foam Responds to your body's weight and temperature Reduces pressure points and minimizes motion transfer High-Density Core Design Provides Optional Support Keeps the neck and spine aligned Reduces pressure points Provides a unique, conforming comfort through a unique combination of different densities of memory foam A soft, stretch-knit quilted top cover Rigid for maximizing the benefits of sleeping on memory foam. Constructed using 2 inches of 2.5" Memory Foam on the top sleep surface area