Made of Smith's-Stretch cotton spandex duck canvas, this button-down collar, full swing work shirt is durable and offers freedom of movement to the wearer. Featuring 2 oversized Velcro closure chest pockets, one with a pen slot; underarm gusset providing full swing extra freedom of movement; heavy duty back hanger loop; triple and double tough reinforced stitching. Smiths-Stretch Cotton Duck Canvas Underarm Gusset for Freedom of Movement Velcro Closure Chest Pockets with Pen Slot Button Down Collar Heavy-Duty Back Hanger Loop Triple and Double Tough Stitching Smith's Workwear Big Men's Stretch Full-Swing Work Shirt