The Condor 3-Day Assault Pack is constructed of heavy duty nylon material and the MOLLE compatibility will allow you to attach med kits, magazine pouches, hydration pouches and just about anything else you can stand to carry. The removable waist strap will help manage the weight and improve mobility should you fill the pack to capacity. Features: Large load cargo capacity compartment with separate pocket to fit up to two 3L hydration bladders; Body contour shoulder straps with D-Ring for equipment attachment, sternum starp and waist belt; External side compression straps; Heavy-Duty carry and drag handle; Two double zipper pulls on the main compartment for easy access; Individual foam pad back panel for extra comfort and maximum airflow; Grommets on all compartments for drainage. Total of seven compartments: Main Compartment with gear straps to secure gears and two extra mesh pockets; Second Compartment contains three map/document pockets, two radio pockets, and penholders; Two large pockets on the back, bottom pocket (12.5" x 6" x 3") with three elastic closure mash pocket and a zipper mesh pocket; Two side pockets (9" x 5" x 2.5") one on each side; One Compartment for hydration systems. Size: 22" H x 17" W x 11" D, 3038 cubic inches. Olive Drab (OD).