We maximized the most advanced pillow-cooling technology available to create ideal comfort. OmniPhase™ phase change material; Graphite-infused memory foam; Ventilated for breathable comfort; OmniPhase™ microencapsulated phase change material provides continual temperature regulation for ideal sleep comfort. If you are looking for a pillow with cutting-edge cooling technology, a mid-profile build, and a plush feel then this is the pillow for you!