The Tempur-Pedic Luxe Breeze° Firm mattress has cutting-edge cooling materials that work together from cover to core to keep you up to 10 degrees cooler all night long. The enhanced zip-off cover provides double the cool-to-touch comfort when lying down, and exclusive PureCool+™ Phase Change Material and Ventilated TEMPUR-APR® provide next-level airflow and maximum pressure relief throughout the night.