The all-new TEMPUR-LUXEbreeze� has a 4-level system of cutting-edge cooling materials that work together from cover to core to keep you cool all night long. The enhanced zip-off cover provides Full the cool-to-touch comfort when you lie down and exclusive PureCool+� Phase Change Material absorbs excess heat while you fall asleep. TEMPUR-CM+� combined with Ventilated TEMPUR-APR� provide next-level airflow and maximum pressure relief throughout the night.