Mesh backed baseball cap with an adjustable strap are known as. They are sometimes called “gimme caps” or “feed caps” because these caps were originally used as a promotional give away by feed and farming supply companies. The caps were mainly handed out to truck drivers, farmers, and other rural workers. They had promotional company logos on the front face. The trucker cat became a mainstream fashion trend available in a rainbow of colors in the early 2000’s. Trucker caps are now available with a large variety of graphic designs meant as either brand advertisement or purely as visual art.