100 % Cotton. 11 3/4 ounce fine-weave rigid denim, cross over high-back style. Large bib front pocket, pencil division, watch pocket, hammer-loop, too. Double tool pocket, triple stitched seams. Zipper fly. Sizes 30 to 60″ waists 30 to 36″ inseam lengths. Customers say order 2″ larger waist size for comfort. Limited stock.