Add the comfort and support of memory foam to the plushness of gel-coated fibers, and you get a cozy pillow for every sleep position. Gelled Microfiber? fill is soft like down, but eliminates allergens and odors. A layer of gel-infused memory offers a smooth, supportive surface that helps regulate temperature. Cover: 100% cotton, Filling: 90% siliconized polyester fiber, 10% polyurethane gel foam