Serta iComfort Blue 100XT Mattress Collection
Serta iComfort Blue 100XT Collection mattresses are constructed using the company's new TempActiv Gel Memory Foam. These mattresses offer cooling, pressure-relieving comfort while also supporting every curve of your body. In addition, 100XT mattresses have a layer of EverCool Fuze Gel Memory Foam and the Ultimate Edge Foam Support Core. Note that these are gentle firm mattresses.