Camelbak Aurora Pack - Small but mighty, the Aurora is just the right size for essential gear and hydration for 2 hours in the saddle. The interior features an elastic loop for your pump, plus organizer pockets to keep your tools in order. There's also a stretchy external storage pocket for days when you need to pile on more gear. And the subtle reflective accents keep you visible in low-light situations. Features The brand new Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks. Breathable air mesh back panel for a lightweight, comfortable fit Stretch overflow storage compartment lets you easily stash a rain shell or extra layer Reflective accents for visibility in low-light environments Women's-specific design features a shorter back panel and an S-curved harness for a closer fit Collection: Bike Activity: Cycling User: Women's Hydration Capacity: 2.5L/85 fl oz Hydration Type: CRUX(TM) Reservoir with Standard Exit Port BPA/BPS/BPF Free: Yes Quick Link Disconnect: No Gear Capacity: 2.5L/150 cu in Pack Weight: 220 g/0 lb 7 oz Dimensions: 40 x 23.5 x 16.5 cm / 15.7 x 9.3 x 6.5 in Fits torso: 38-53 cm/15-21 in Back Panel: Padded Mesh Waist Belt: N/A Number of exterior pockets: 4