More informationMain material wicks moisture away and dries quickly to keep you comfortable; Long YKK zipper provides excellent ventilation on hotter days and longer climbs; Flap pocket on left hip is handy and lets you carry everything you need; Security zippered back pocket with cable routing for audio devices on the back; Three handy open pockets on the back to store everything you need; Longer back design protects your back in any position and offers a specific fit for cycling; The slim cut offers an aerodynamic fit that improves performance;