Our�best-selling�pillow�technology�is�now�available�in�a�topper�for�total-body�cooling.�The�CarbonCool��LT�+�OmniPhase��Topper�uses�phase�change�material�to�continually�regulate�temperature.� Here�s�how�it�works.�When�you�fall�asleep,�your�temperature�drops,�releasing�body�heat�into�your�sleep�environment.�OmniPhase��phase�change�material�microparticles�move�that�heat�away�from�the�body�by�changing�phases�and�releasing�energy.�The�temperature�falls,�and�you�are�actively�cooled�all�night�as�the�PCM�maintains�the�optimum�sleep�temperature.�To�further�the�cooling�properties,�activated�carbon�infused�in�the�foam�creates�a�pathway�to�filter�heat�away�from�your�entire�body.�Plus,�precision�ventilation�in�a�unique�zoning�pattern�increases�airflow�and�correctly�aligns�the�spine.�