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 F40HD 14.5"" Plush Mattress was designed for sleep that's cool, comfortable, and restorative. A CoolTemp Cover and EverCool Fuze Gel Memory Foam bring together a cool-to-touch and a pressure-relieving surface while Custom Fit Hd Memory Foam and a layer of latex add even more body-contouring support for a custom-like feel. At its base, a Serta Foam Core delivers edge-to-edge support.