The Lucky 13 American Original is a black mechanic style work shirt with a Hot Rod theme. This Lucky 13 Mechanics Shirt is black with a full Back side Screen Print and front embroidery detailing. There is a traditional collar, button down front, short sleeve shirt from Lucky 13 Apparel. American Made with pride and Quality 65% polyester / 35% cotton fabric. Embroidered front art, screen printed back art.