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