8-oz. Fire Hose® cotton canvas for durability, with 3% spandex for extra flex when crouching, climbing, lunging Prewashed for broken-in comfort right out of the box Stain- and water-repellent FendOff Finish® fabric treatment Classic 5-pocket styling Hidden Crouch Gusset® for extra freedom of movement Reinforced cuffs for extra wear 12"-deep side pockets swallow extra tools and gear Slim Fit sits lower at the waist, with a slimmer cut through the thigh and leg