It~s all about staying hydrated out there! Stay primed for adventure with the Dakine Canyon 20L backpack. Durable polyester backpack. Front panel zippered main access. Floating front storage flap. Large quick stash side pocket. Breathable Air Flow backpanel. Ergonomic shoulder straps with quick access phone pocket. Fleece lined sunglasses pocket. Internal zippered pocket with key clip. Stowable trekking pole loop. Removable 25 mm webbed hip belt. Internal sleeve for hydration storage or laptop. Integrated rescue whistle/sternum strap. Bike safety light clip-in. Materials: 600D polyester Volume: 20 L Imported. Measurements: Bottom Width: 11 in Depth: 7 1 2 in Height: 20 in Strap Length: 3 3 5 in Strap Drop: 16 1 4 in Handle Length: 5 1 2 in Handle Drop: 2 in Weight: 1 lb 5.4 oz