Do you know what the “12” represents? it’s what we used to build it. 12oz washed gravel canvas and the denim vest style has been around forever, so it’s easy to blend into the crowd. Features washable cowhide leather collar, brass zip front closure, double front yokes, chest flaps covering welted pockets, paneled front hosts side entry pockets, paneled back with side adjuster tabs. Black cotton lined with a stencil print covers the Kakadu concealed carry internal system (CCIS) and comes with the Kakadu anti-imprint pads.