The Timberland PRO® Ironhide work pants are reinforced, built for a full range of motion, accommodate plenty of tools, and are designed to hold up to pretty much everything the job site can throw at you. 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