AiR 4D Pillow

Our AiR 4D Pillow keeps a comfortable sleeping environment by using a combination of materials that improve the breathability of the pillow and suppresses the temperature within the pillow. Our proprietary combination of urethane material and sleep technology provides a comfortable fit to enhance performance by adjusting the height more accurately depending on your body's shape and bedding. Urethane foam with gel: Made in China Cover surface urethane foam and urethane foam underlay: Made in Japan <High> Cover: 100% PolyesterFilling:Cover 100% PolyesterTop Chamber: 63% Urethane Foam 29% Urethane GelBottom Chamber: 8% Urethane Foam   <Low> Cover: 100% PolyesterFilling:Cover 100% PolyesterTop Chamber: 56% Urethane Foam 34% Urethane GelBottom Chamber: 10% Urethane Foam