Yakka 02901 Xtreme Cotton Duck Weave Trouser 345gsm 100% Cotton duck weave, silicone washed double strength pre-shrunk canvas. Bellowed cargo pockets with provisions for mobile, note pad, pencil pockets and tools Ruler pocket containing extra tool and pencil partition Reinforcement with Cordura patches for added durability, plus Cordura knee pad provision Swing away pockets that can be tucked into main trouser pocket and Velcro loops for tool belts Heavy Duty nylon Zip Fly All Stress Points bar tacked and heavyweight poly cotton pocketing