Rear full open zipper pocket for discreet storage of the ATI Nomad 12, 20 OR .410 (18.5" barrel); Hidden handgun pocket; Removable waist / shoulder straps; Reflective strip for night safety; Velcro patch mount for customization; Reinforced webbing; Exterior drink pouch; Durable non-rust zipper and pull tabs for easy access to all your gear; Water resistant, Floating backpack; Dimensions 20" x 11" x 10"