Thoughtfully crafted with an unparalleled attention to detail, the Nautica Serenity Memory Foam Twin XL Mattress w/ Ice Fiber provides the cooling and supremely soothing comfort that only Nautica Home can offer. Removable, Washable Ice Lux Fabric Cover, 2" Cooling MicroTec Gel Memory Foam, 1" Contouring Memory Foam, 3" Convoluted GelLux Engineered Latex Foam, Patented Edge Plus Perimeter Support, 6" Breathable Channel Vented Support Base.