Maxpedition Kodiak Gearslinger Backpack Nylon Overall size: 13.5"(L) x 7.5"(W) x 20"(H) Volume: 1380 cu.in. / 22.6L One (1) 11"(L) x 19"(H) zippered compartment with internal loop field to accommodate 100oz/3L water reservoir or CCW One 18"(L) x 10"(H) slip pocket with 10.5"(L) x 7"(H) internal loop field for CCW Integral 3" ergonomic shoulder strap with 2" quick release buckle, 7 rows of PALS webbing, and metal spring clip