DESC: The North Face Women's Sailfin Hydration Pack is for the minimalist athlete who demands performance. The Sailfin's rubber shoulder straps ensure that the 50oz Nalgene reservoir remains snug on your back while go the extra mile. Your windbreaker fits securely under the low-profile bungee while your wallet or energy bars slip into the internal organizer. When you return home, remove your keys from their internal clip and avoid the need to break into your own house. The North Face Sailfin is a small pack for a serious workout.