CLASSIC TROUSERS INSULATED TO THE WAIST Characteristics: material 65% polyester, 35% cotton, weight 270g/m2 (+/- 10g/m2) calf 100% polyester, weight 180 g/m2 lining 100% polyester trousers at the front with zipper and button fastening double seams and numerous solid bolts to strengthen areas particularly vulnerable to tearing 11 pockets, including 2 knee pockets for knee pads on the sides sewn-in drawstring at the waist