Nike Dri-Fit Head Tie 2.0Pull your hair back while you work out with the Nike Dri-FIT Head Tie 2.0, which is made of 88% polyester and 12% spandex with Dri-FIT fabric technology to wick sweat away and help keep you dry. The adjustable tie closure helps hold your hair securely in place. One size fits most. Features and Benefits • Made of stretchy 88% polyester and 12% spandex • Dri-FIT fabric technology wicks away sweat to help keep you dry• Adjustable tie feature helps keep your hair securely in place • Swoosh design trademark