ARMY X The Crew Cab Tactical 3 Day Backpack Military Rucksack Pack Bag 31 L to 82 L Hiking Camping Trekking High Capacity: Multiple main compartments provides bigger storage up to 82 L, expandable bottom for oversize loads. Hydration compatible: Top-load main cargo compartment with separated pocket that accommodates a water reservoir. Detachable front bag with shoulder straps: Detachable shoulder bag which separates for special operations. Molle webbing and D-rings: It has Molle webbing on the front ,left and right sides of the backpack.D-rings on the shoulder straps and external straps give a possibility to attach additional equipment. Quality gurantee: U.S army force military goods supplier with one year warranty