A champion of comfort for all, Serta has pioneered sleep innovation for more than 90 years, bringing quality products to more than 150 countries worldwide. Serta's award-winning iComfort F20GL 12.5"" Plush Mattress presents a sleep experience that is cool, comfortable, and restorative. Between the cool-to-touch CoolTemp Cover and edge-to-edge supportive Serta Foam Core, a layer of EverCool Supreme Memory Foam provides a weightless, cradling feeling all over your body for extraordinary pressure-point relief and support.