Condor 3-Day Assault Pack Main Compartment with gear straps to secure gears and two extra mesh pockets. (22" x 13" x 8") 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.