[Main compartment has built-in hydration bladder pocket with covered hydration porthole; Padded back panel with internal composite frame Secondary compartment holds a tablet or standard sized laptop; External zippered slip pocket; MOLLE webbing platform throughout for attaching additional pouches or gear Fully adjustable and contoured padded shoulder straps with hardened steel D-rings and sternum strap; Adjustable padded and removable waist strap Detachable 6-liter interchangeable butt pouch; Two slide-buckle cinch straps for securing extra gear at top of bag; Four quick-release compression straps for expansion or consolidation "26 liters of total storage; 13W x 17H x 7D; 600D polyester construction" Padded back panel with composite frame and steel shank for stability Fully adjustable contoured padded shoulder straps with hardened steel D-rings for attachments Detachable 6 liter interchangeable butt puch Four quick release compression straps for expansion or consolidation]