65% polyester/35% cotton, The surface treatment makes the product dirt-repellent and ensures high visibility.; Adjustable fabric straps, with short strong elastic that provides flexibility and a super fit.; Button adjustment on the sides for use when changing layers underneath.; Durable triple stitched seams on leg and crotch extend product life.; Ergonomically shaped trouser legs are constructed to follow the body's natural movements.; The product tolerates industrial washing.