Cool. Cooler. COOLEST. Designed in a thermal sleep lab, the Queen and King TEMPUR-Pedic LUXEbreeze are the coolest Breeze mattresses. The Breeze collection has multiple patented cooling and support technologies that promote deep sleep. They include SmartClimate removable dual cover system with PureCool Technlogy, TEMPUR-CM Comfort Layer, TEMPUR-APR support layer and TEMPUR material memory foam.