In addition to providing waterproof, moisture-wicking protection with Surface-Guard Technology for your Tempur-Pedic, the Tempur-Pedic Breeze Mattress Protector is designed not to interfere with the all-night cooling feature of your Tempur-Pedic Breeze mattress. Featuring built-in four-way stretch and Stay Tight corner bands for a snug, secure fit, this protector stays smooth and cool throughout the night.