This pillow is epitome of comfort and cooling technologies. A layer of Z™ Gel extends over the surface to create a cool layer while our deeply cushioning memory foam is infused with temperature-regulating gel to ensure you sleep at the optimal body temperature. Liquid layer of Z™ Gel coats the surface and is cool to the touch for optimal sleep Our exclusive Dough™ memory foam formula is exceptionally soft while offering premium support Infused with temperature-regulating gel to maintain the ideal sleep temperature Unique shoulder cutout for comfort and proper spine alignment Removeable Tencel™ Lyocell cover is moisture-wicking and temperature-regulating