Camelbak's most technical cycling system, the Hawg NV offers over 1000 cubic inches of storage, 100 oz.of water, plus compression and back panel stability and ventilation that raises the bar over any other cycling hydration system. This redesigned Hawg NV pack includes the N.V.I.S. backpanel, ventilated to maximize comfort and its integrated reservoir compartment offers convenient access to water and a stable center of gravity. 100 oz. Antidote reservoir Hawg is the perfect choice for an all day mountain bike ride on the most extreme terrain Features Camelbak's taste fee PureFlow drinking tube incorporating a polyethylene liner, the tri laminate design of the tube keeps water tasting fresh from the first use Ergo HydroLock places Big Bite Valve in ergonomic position for drinking 5 mm closed cell foam insulation keeps liquids cool for hours Main compartment can accommodate a second reservoir if necessary Dual side compression straps help stabilize heavy pack loads Air Director back panel with AirMesh harness enhances ventilation Easy to fill and clean 100 oz. reservoir with tethered cap Strap Management System uses Velcro to secure loose straps Independent suspension harness, Slider Sternum Strap, and stowable waist belt Two zippered compartments, one with internal organizer Mesh overflow compartments for storage Bungee Cinch system allows you to lash on additional gear 3M reflective blinker tab for enhanced nighttime visibility Helmet carry Built in rain cover Torso Length: 19 in. Size: 19 in. x 9 in. x 9 in. Weight: 2.lb. 2 oz. with empty reservoir 9.19 lbs. filled Capacity: 1037 cu in. 100 oz. reservoir Cargo: 854 cu. in.