Grab printed, solid, striped, textured, and plaid overalls for boys by Carhartt, Wrangler, Multitrust, OshKosh B'gosh, Columbia, Little Spring, etc. Carhartt started in 1889 in Michigan, the United States, by Hamilton Carhartt. It is renowned for its wide variety of formal wear, casual wear, and other accessories for men, women, and children, including newborns. Olive is the color of combat and camouflage.