Heavyweight, MOLLE Compatible, Top Carry Handle, Pen Holders, 2 Cell Phone/ID Pockets, Hook And Loop Tie Down, MOLLE Loops, Mesh Pocket, And Hook And Loop Tie Downs, Padded Back With Mesh Backing, Back Zippered Compartment Holds 3 Liter Hydration Bladder (not Included) Padded Lumbar Support, Removable Waist Strap With Quick Release Buckle