Lightweight, weather-tight construction, Thermoformed 3D backpanel, Zippered hipbelt pocket , Internal organizer pockets 8 Liter Backpack Hydration Backpack - 8L Mountain Bike Pack With 2L Reservoir Dakine Syncline 6L Cycling Hydration Vest Dakine Hydration Pack - Performance Bicycle Dakine 12l Backpack The Dakine W's Drafter 10LHydration Backpack meets all your mountain bike backpack needs from hydration to protection in a compact, breathable design A quick-access hip belt pocket puts small items within easy reach and compression straps cinch the whole bag down when your load is light., 2L/70oz. Drafter 10L Bike Hydration Backpack – Dakine Australia Light and weather tight, this hip pack serves up a full two liters of water storage with room to stow food, a layer and day-ride essentials, plus the straps to lash on a wind or rain shell for unpredictable weather.