While originally developed for NASA, this unique type of foam, also known as Visco-Elastic Foam, actually reacts to your body's shape and temperature.
Visco-Elastic Memory cell technology creates a TEMPERATURE sensitive high density support system that has been proven to ease back, lumbar, hip, knee, neck and joint pain. Better posture means better circulation, less tossing and turning and deep restful sleep. Your back will love you!