8-ounce, 98% cotton/2% spandex canvas. Rugged Flex durable stretch technology for ease of movement. Sits at the waist. Comfortable fit through the seat and thign with room to move. Right leg cargo pocket with secure cell phone storage. Left-leg cargo pocket with utility pocket. Hidden hookm and loop closures on cargo and back pocket flaps. Stronger sewn-on-seam belt loops. Straight leg opening.