The Men’s Undergarment Industryincludes companies that manufacture and sell clothing intended to be wornbeneath outerwear. Undergarments are sold in various forms, including T-shirts,boxers, briefs, jockstraps, tank tops, vests, union suits, leotards and socks.men’s underwear are made up of cotton, silk, wool, polyester, nylon and otherman-made fabrics that provide a degree of modesty without being bulky under theclothes and promote flexibility when performing day-to-day activities. Theindustry does not include manufacturers of athletic supporters or other typesof specialized undergarments for pregnant women and the elderly.