ADJUSTABLE COVERAGE FOR STORMY MILES. Take on your wet weather miles with the weather-resistant comfort of the Nike Storm-FIT Bucket Hat. It's got an adjustable design, courtesy of a bungee cord at the back, so you can find your fit as you chase down your personal best. Benefits Nike Storm-FIT technology resists elements like wind and water to help keep you comfortable in harsh weather conditions. A bungee cord helps adjust your coverage. Product Details Body: 100% polyester. Sweatband: 79% polyester/21% spandex. Do not wash. Clean with a damp cloth as necessary. Imported Shown: Black Style: DM8459-010