Expands to hold all your gear with attachment systems galore! Exterior . . Universal straps for optional pouches and inside ider organizer compartments . . for sensitive items. Front, rear and side storage pouches with full-zip main . . compartment. Hydration compatible with ided zippered section for 3 liter . . bladder (not included) with right or left side routing system. For long-term ops, . . an additional bladder can be attached (using our Hydration Carrier #20-7444). . . We’ve lengthened and reinforced the thickly padded, adjustable shoulder strap . . assembly that when removed, can convert the pack to a carry-all by accessing the . . top and side nylon carry handles. Reversed zippers for dust elimination, bottom . . bedroll loops and side compression straps to secure your load. Made of rugged . . pack cloth. Measures 19”L x 12”W x 20”H. 75 Liter capacity