12-ounce, 85% cotton/14% polyester/1% spandex denim. Rugged Flex® durable stretch technology for ease of movement. Made with durable, abrasion-resistant denim. Sits slightly below the waist. Comfortable fit through the seat and thigh with more room to move. Double front with cleanout openings that accommodate knee pads. Multiple tool and utility pockets. Stronger sewn-on-seam belt loops. Straight leg opening