Composition:• T/C canvas, 65% polyester, 35% cotton, 260 g/m2 • Stretch fabric inserts, 90% nylon, 10% spandex; 260 g/m2 Design:• Tearproof crotch • Higher waist in rear part for increased back protection • Stretch fabric insert in lumbar region • Stretch fabric insert in inside leg for easier movements • Stretch waistband on sides • Two large front pockets, one with small pocket • Two rear pockets with strap closure • Large side pockets with strap closure, one with tool band • Waist key ring.