The DAKINE Drafter Bike Pack is ideal for those long summer rides when you need to carry more water than extra gear. With a 100-oz reservoir and room for all the essentials, the Drafter pack keeps you rolling without weighing you down. Helmet carrier compatible with full-face or XC designsArmor carry straps hold your pads in place until it"s time to descendPadded MP3 pocket keeps your tunes safe and soundFleece-lined sunglass pocket protects your lensesRescue whistle helps alert others in case of emergency