The all-new 13" Tempur-Pedic® TEMPUR-LUXEbreeze° Soft Mattress 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 plush, responsive feel keeps you truly comfortable in all sleep positions. The enhanced zip-off cover provides twice the cool-to-touch comfort when you lie down and exclusive PureCool+™ Phase Change Material absorbs excess heat as you fall asleep. TEMPUR-CM+™ combined with Ventilated TEMPUR-APR® provides next-level airflow and maximum pressure relief throughout the night. This revolutionary cooling technology keeps the Tempur-Pedic® TEMPUR-LUXEbreeze° mattress sleeping up to eight degrees cooler all night long.