Woven from soft, durable and absorbent long staple cotton—the original performance fabric—these soft-meets-stretch, lightweight sheets have been redesigned for an even better fit on your Tempur-Pedic® mattress. The fitted sheet features unique four-way stretch and Staytight™ bands for a snug, secure fit, to keep them in place for convenient comfort, night after night—no bunching, no creeping corners and no readjusting needed.