Given as gift and never used! Gifted to a guy, but could fit any gender RESERVOIR FEATURES: More than just a reservoir, the Mil Spec Antidote® reservoir redefines the ultimate delivery system for an operator’s water supply and provides maximum adaptability for changing missions or combat environments. KEY PACK FEATURES: External fill access—allows for a quick refill without removing pack; Side-release shoulder straps for rapid removal; Multiple drink tube exit ports—for routing drink tube over the shoulder or under an arm; Top and bottom external pockets hold small essentials; Lightweight, durable Rip-Stop Cordura® Fabric Product Specifications: •Hydration Capacity: 100 oz / 3L •Total Capacity: 3.28L (200 cu in) + 3L Reservoir •Total Weight: 1.6 lbs / .71 kg (pack only) •Dimensions: 16 in x 10 in x 6 in (41 cm x 25 cm x 15 cm) •Fabric: 500D Ripstop Cordura® fabric front panel, gusset and shoulder harness front side > 420D high density nylon on shoulder harness and back panel > 5 mm closed cell PE foam on back panel and inside hydration compartment > Nylon webbing