Features Enter your model number to make sure this fits. Material: [black] 100% nylon ripstop (200D), [shasta] 100% poly filament (600D), [emerald green] 100% polyester (600D) Volume: 700 cu in Support/Suspension: air mesh suspended back panel Shoulder Straps: breathable, ergonomic shoulder straps, sternum strap with built-in whistle Waist Belt: yes, adjustable Description Product Description From cross-country loops to shredding technical singletrack, the Dakine Women's Drafter Hydration Pack provides ample room for carrying all of your trail essentials and snacks. The included 100-ounce hydration reservoir holds plenty of water for longer rides, while the high-flow Blaster bite valve keeps you hydrated with minimal effort. Preventing sweat from saturating your back, the pack's air mesh suspended back panel elevates the pack for optimum airflow and breathability. Multiple interior organization pockets hold energy bars, gels, extra tubes, small pumps, and tools for trailside repairs. The deployable helmet carry holds your full face or trail helmet after you're finished riding, and the breathable ergonomic shoulder straps, sternum strap, and adjustable waist belt dial-in comfort and support on long-distance rides.