Durable, breathable 68% cotton/30% polyester/2% elastane Flex technical canvas. Modern fit. Timberland PRO FLEX mobility-enhancing features to help you bend, reach, and stretch without restriction. Articulated knee overlay with 2" drain hole, left coin pocket, and back hem kickplate in sturdy 1000D Cordura nylon canvas. Accommodates Timberland PRO anti-fatigue technology knee-pad insert (not included). Crotch gusset. Seven belt loops. Reinforced back pockets, reinforced cargo pocket, and multiple utility pockets. Heavyweight webbed hammer loop. Shaped back waistband. Gripper elastic.