Made with natural TENCEL Lyocell fibers and cooling nylon technology, TEMPUR-Breeze knit sheets are cool to the touch and perfect for hot sleepers, summer nights, warm climates, and anyone who wants to enjoy the benefits of a cooler night’s sleep. Pair them with a TEMPUR-Breeze mattress for the ultimate in cool sleep; they're the only sheets that maximize the signature TEMPUR-Breeze sleep experience.