MAV Vest Body 1 Piece, Made by Tactical Tailor. US Govt Issue. If you need a chest rig tailored to your mission, then our Modular Assault Vest is the solution. The 1 Piece MAV opens in the back and goes on over your head and features modular webbing running the entire length of the vest body for maximum pouch placement options. Also features a front map pocket and 1.5 in. adjustable straps secured by Fastex buckles. The 1-Piece MAV can be combined with the Mav Bib for more attachment options. Constructed of 1000 Denier Cordura Nylon and Mil-Spec webbing. New, Coyote Brown Color.