The Dickies Sanded Duck Bib Overall is made 12 oz. 100% cotton sanded duck with a 100% polyester brushed tricot quilted to 8 oz. polyester fill. The leg lining consists of 100% nylon quilted lining with 100% polyester fill. Zip to waist leg zippers have storm flaps and allow for easy on and off. Other features include heavy duty center front brass zipper, elastic back straps, triple needle stitching. The double knees have clean out bottoms and finished with Dickies ScuffGard®. Storage includes side entry chest pockets, dual entry back pockets, hammer and tape measure loops.