65% polyester, 35% cotton twill; E-Z Touch stay-soft fabric ; StayDark® technology is fade-resistant; Sits slightly below waist, extra room in seat and thigh, straight leg; Heavy duty brass ratcheting zipper won't break under stress; Virtually hole-proof double thick front pockets; Multi-use welt pocket snaps open and shut with one hand; Flap-free back welt pockets; Crotch gusset adds durability and comfort; Industrial wash friendly