This mens G String free form , can slide apart for more coverage, or together for skimpier coverage . Great as swimwear or underwear. It has no back. Just the waistband holding the pouch up, which cups under the testicles. Made of stretchy nylon Lycra. It has a seamed contour front for added room and comfort. The waistband is 1/2" wide braided stretchy elastic, available in white or black. Select from 63 awesome prints, and 30 solid colors.