Latex offers support to your head and neck in this pillow with a moisture-wicking blend to keep you cool for sweat-free slumber. 20" x 29" Standard/Queen; 20" x 36" King Thermoregulating CLIMA technology promotes healthier sleep by helping maintain your optimal body temperature. Moisture-wicking, antimicrobial lyocell fibers are embedded with refined plant-derived paraffin, an additive that acts as a heat accumulator. Heat is absorbed and stored in the yarn when you or the air around you becomes too hot, to be dispersed later upon cooling down. 100% Tencel® lyocell with CLIMA fiber fill Tencel lyocell is a sustainably produced fiber made with closed-loop processing Spot clean Imported OEKO-TEX®-100 certified materials free of harmful substances