65% polyester , 35% cotton. Hardwearing trousers, contemporary cut with excellent fit and versatile pockets. Teflon® fabric protector, 2 back pockets, one open, one with flap and velcro, cargo pockets on both legs, with practical compartments on right leg, small extra pocket below waistband, triple stitched inner leg seams and pocket openings triple reinforced seat area, internal pockets for knee pads (21cm x 15cm max.), YKK zipper.