Tempur-pedic ProBreeze Medium 2.0® mattress delivers cutting edge technology for all-night cooling comfort. Expertly designed so you can sleep up to 5 degrees cooler for maximum comfort. Through use of PureCool® and Ventilated Advanced Relief Tempur® foams with an additional heat diffusing layer, ProBreeze® takes cooling, conformance, and response to a new level. The multi-layer design means you sleep Cooler When You Lie Down. Cooler When You Fall Asleep. Cooler All Night Long.®