The Dakine Drafter 10L Hydration Backpack meets all your mountain bike backpack needs from hydration to protection in a compact, breathable design. Stay hydrated on the move with the 3-Litre Dakine x Hydrapak® 3D Lumbar Reservoir. Stay cool and comfortable with the AirLite Suspension back panel and breathable ergonomic shoulder straps.Dakine Drafter 10L Hydration Backpack Features3L / 100oz Dakine x Hydrapak® 3D lumbar reservoir w/ quick disconnectHigh-flow Blaster bite valve w/shut-off and magnetic hose clipAirLite Suspension back panelBreathable ergonomic shoulder straps w/ sunglasses quick stashSeparate cargo and hydration compartmentsInternal e-bike spare battery storage systemPadded, fleece sunglasses/phone pocketInternal organizer pocketsDeployable external carry strapsFront quick stash & compression panelReflective panel and safety light attachDK Impact Spine protector compatible (not included)610 cubic inches (10L)Dimensions: 18 x 10 x 6.5 (46 x 25 x 16.5cm)Weight: 2.0 lbs. (0.91kg)Dakine Drafter 10L Hydration Backpack Materials100% 450D ripstop recycled polyester (rPET) exterior\"