The TruCool Wedge Support Pillow Featuring Serene Foam delivers the perfect blend of comfort and support. The removable cool-to-the-touch cover offers greater airflow the pillow’s serene foam is enhanced with Supportive Air Technology, which increases support while reducing pressure. Cover is antimicrobial treated serene foam features IsoFresh odor-neutralizing technology and is CertiPUR-US certified. TruCool and Serene are registered trademarks of Carpenter Co. Supportive Air Technology and IsoFresh are trademarks of Carpenter Co. CertiPUR-US is a registered certification mark of Alliance for Flexible Polyurethane Foam, Inc.