These men's jeans have all the ruggedness of work pants, but with the range of motion you'd find in sportswear. They're made of relaxed-fit denim with enough flex that can squat down to take measurements without a problem. The double-layer front adds durability and accommodates knee pads. 12-ounce, 85% cotton, 14% polyester, 1% spandex denim. Built to move with Rugged Flex stretch technology. Sits slightly below the waist with a comfortable seat and thigh and a straight leg opening. Double-layer knees with openings for adding knee pads and cleaning out debris. Front and back pockets; Multiple tool and utility pockets. Strong sewn-on-seam belt loops. Carhartt.