Tactical Assault Gear's largest hydration system. Built for use during sustained field operations. Large cargo capacity that will enable you to carry foul weather gear, MRE's, optics, batteries, and other mission essentials. The hydration bladder is easily accessible through the top of the pack, without having to open the main compartment. Main compartment has small internal mesh pocket. Outer compartment has a built in organizer for pens, pencils, note books, maps, I.D. cards, and wallet. Covered in PALS webbing. Pile tape has been added for flag, and or I.R. patches. Fully adjustable sternum strap. Padded waist belt included. This is absolutely the best hydration field pack on the market. Backed with a lifetime warranty.