Adjustable harness with cargo pockets, expandable cargo compartment, integrated reservoir and cargo compression, stretch overflow storage, sweat-proof phone pocket, external fill, reflectivity, trekking pole attachment, fits 30"-46" chest. Designed To Carry: Food, water bottle, ultra-light rain gear, shed layer, running pants, survival blanket, headlamp, phone, trekking poles, compass, socks, gloves, hat. Antidote Reservoir Features: Quick Link System, 1/4 turn - easy open/close cap, lightweight fillport, dryer arms, center baffling and low-profile design, patented Big Bite Valve, HydroGuard technology, PureFlow tube, easy-to-clean wide-mouth opening. CamelBak Got Your Bak Guarantee: If we built it, we'll Bak it with our lifetime guarantee. Hydration Capacity: 70 oz / 2L. Total Capacity: 610 cu in / 8L + 2L Reservoir. Total Weight: 1 lb 3 oz / .55 kg (pack only). Dimensions: 21 x 13 x 2 in. Torso Length: 16.5 in / 42 cm. Fabric: 70D reverse chain nylon w/ 230 taffeta. Empty Reservoir Dimensions: Open mesh.