NPUSA Mens Tactical Molle 3L Hydration Ready Hiking Backpack FREE LEATHER SUNGLASS CASE LIMITED OFFER: FREE GENUINE LEATHER ZIPPERED SUNGLASS CASE with removable strap (Free item in photo is actual item you will receive). Material: 600D High Density Polyester for durable daily use. PVC lining inside pockets povides protection from water and moisture. Molle strap system: allows for attachment of external gear; D rings on shoulder straps; Molle straps and velcro strips; Side and top load compression straps to keep load tight Hydration Ready: water bladder pocket inside (fits up to 3L liter sized water bladder) main compartment with hose/tube pass through hole at the top Excellent storage: 1 zippered front pocket, 1 side long dual zippered gusseted pocket, 1 bottom side gusseted zippered pocket, 1 top side gusseted zippered pocket, 1 large zippered mesh pocket, dual zippered u-shape wide access main compartment Dimensions: 19"L x 17"W x 7.5"D; Volume: 2900 cu. in.; Padded adjustable shoulder, chest buckle strap for perfect fit and stability