The Elite Survival Systems Mission Pack is an ideal 3-day survival backpack. Built to last of heavy-duty 1000 denier nylon, it has a large main compartment comprised of a divided zippered compartment and a hydration compartment. The Mission Pack Backpack has a large middle compartment with multiple dividers, pockets, and mesh compartments. On the front of the pack is a flat zippered pocket with MOLLE loops for attaching modular accessory pouches. Between the front zippered pouch and main compartment is a zippered pass-through compartment for tucking a jacket, etc. The 3-day backpack has upper and lower compression straps to keep the cargo secure, and a vented back panel with s-shaped backpack straps. The Mission Pack Backpack has a non-slip carry handle for easy handling, and includes a detachable, hideaway, water-resistant rain cover. A truly unique design...This three day pack is available in Olive Drab.Hydration reservoir, insulated tube, and bite-valve with cover are also installed if purchased as an option.Main Dimensions: 22"H x 12"W x 10"DCapacity: 2640 Cubic Inches / 43 Liters