This Item Features: • Hydration Capacity: 70 oz - 2 L • Total Capacity: 122 cu in - 2 L • Total Weight (Pack and Reservoir): 1.2 lbs - 544 g • Dimensions: 18 x 8.5 x 3 in - 46 x 21.5 x 8 cm • Torso Length: 17 in - 43.2 cm • Fabric: 1000D Cordura® Fabric front panel and yoke > 420D High Density Nylon back panel and flap for reservoir > 420D High Density Nylon stow-away panel for shoulder harness webbing > 210D Nylon lining > Nylon webbing. • Rugged and durable Water Beast™ material, leak-proof screw-cap, insulated PureFlow™ tube, patented Big Bite™ Valve, HydroLink™ Exit Port and Drink Port, HydroLock™ one-handed flow control • Sternum Strap for added stability, Closed cell insulation and neoprene tube cover keeps water cool or warm for hours, Includes HydroLink Modular Connection System with positive shut-off HydroLock™, Exterior fillport with ergonomic handle for filling on the go, Quick-release shoulder straps unclip for easy removal, Tough, abrasion-resistant 1000D Cordura® Fabric exterior, Convenient Fastener strap management.