The Transformation Collection, by LivFit, is built with the focus on healthy nights sleep that includes the support of over 2,000 Individually Wrapped Coils (Queen) and the Cooling effects of specialty foams and cover. The Individually Wrapped Coils are zoned with more support where needed and surrounded with a Dense Foam Edge for full use of the mattress surface. The Diamond Sparkle Hyper-Conductive Foam pulls heat away from you while supplying superb pressure relief and cushioning. The Micro Coil layer provides longer wear and additional cushioning and support. The Firm version is good for a stomach or back sleeper.