Shell: 100% Cotton - Lining: 100% Polyester - Filling: 100% Polyester - 9-ounce cotton canvas shell - Quilted polyester taffeta lining - Adjustable shoulder straps; zipper fly - Carhartt-strong triple-stitched main seams - Double-layer knees with openings for adding knee pads and cleaning out debris - Ankle-to-knee zippers - Pocket with Carhartt patchand snap closure on bib - Utility pockets - Model No. TK6289-B