Serta KoolComfort Memory Foam Molded Pillow KoolComfort is the first and only breathable memory foam. The proprietary open cell structure allows for airflow while still giving the cradling effect that has made memory foam so popular. Designed with comfort and luxury in mind Molded in a traditional shape, this pillow is designed to support your head no matter what your sleeping style Includes two premium zippered covers. Use just the Kool-lon? cover on warmer nights to enjoy a cool to the touch feel. Add the luxurious dot velour cover on colder winter nights. Hypoallergenic and treated with Ultra-Fresh protection to promote a healthy night's sleep KoolComfort is the first and only breathable memory foam. The proprietary open cell structure allows for airflow while still giving the cradling effect that has made memory foam so popular. Designed with comfort and luxury in mind Molded in a traditional shape, this pillow is designed to support your head no matter what your sleeping style Includes two premium zippered covers. Use just the Kool-lon? cover on warmer nights to enjoy a cool to the touch feel. Add the luxurious dot velour cover on colder winter nights. Hypoallergenic and treated with Ultra-Fresh Anti-Microbial protection to promote a healthy night's sleep