Off the back and leading the pack—Osprey's premium mountain bike lumbar includes a 1.5-liter reservoir and features designed to keep you in the saddle. Dual hipbelt pockets grant easy access to snacks, and a stretch mesh front pocket keeps kneepads, gloves or a light jacket handy. Side compression and a women's-specific fit on the Raven 4 stabilize the pack from techy climbs to the jump line. AirScape backpanel with contouring lumbar wrap for maximum stability Separate compartment with removable tool roll and large zippered main compartment with reservoir sleeve Included 1.5 L Lumbar Reservoir with magnetic hipbelt bite valve and secure hose routing Internal goggle pocket, key clip, and LidLock bike helmet attachment Dual zippered hipbelt pockets, stretch mesh front pocket, dual side compression, blinker light attachment, and reflective graphics for safety
