BRINGING BIKE SHORTS UP TO SPEED. THE NIKE SPORTSWEAR BIKE SHORTS UPDATE A FAVORITE RETRO STYLE WITH A MID-RISE DESIGN AND A SNUG STRETCH WAISTBAND. STRETCHY, SWEAT-WICKING FABRIC AND A SWOOSH LOGO MAKE THESE AN EASY CHOICE FOR EVERYDAY WEAR. 61% COTTON/33% POLYESTER/6% SPANDEX