The Thule ReTrakt hydration hose has a magnetic design which snaps automatically back in place in between sips. This helps you stay hydrated without taking your mind off the trail. This hydration hip pack also provides superior stability and breathable materials for a comfortable ride, and the reflective elements and bike attachment loops for visibility at night. Access your phone easily on the bike with one hand and store your tools and snacks in the organized internal pockets. This hydration pack is perfect addition to your 1-3 hour rides.