This cool-to-the touch Helix Cooling Memory Foam Pillow is made to provide your coolest night's sleep with tailored comfort based on your unique sleep position. Our cutting-edge GlacioTex™ cooling fabric uses phase change material to pull heat away from your body while you sleep, helping you maintain an optimal sleep temperature. This molded internal core is made with premium memory foam that contours to the shape of your head and neck, providing excellent comfort in any sleeping position. The high loft is tailored for side sleepers, while the low loft is tailored for back and stomach sleepers. 1 Year Manufacturer Limited Warranty.