The Live and Sleep memory foam mattress wraps your body in a gentle medium-firm hug and keeps your body cool with breathable memory foam. The Classic and Elite mattresses is 10 inches thick and will evenly support your body weight, relieve pressure focused on the shoulders, hips, and feet, and eases back pain. The Class mattress is 12 inches thick. The foam is also temperature-sensitive, so it draws warm air away from your body to keep you cool throughout the night. Top rated memory foam mattresses are CertiPUR-US Certified and include a 20 year warranty. Online mattress includes free shipping. 30 night trial and easy returns.