Carhartt's Duck Carpenter Bib Overall/UnlinedMen's Carhartt Drill Carpenter Bib Overall/Unlined is made of 12 ounce, firm-hand, 100% ring-spun cotton duck - Adjustable front-elastic suspenders - Multi-compartmnt bib pocket - Zipper fly - Attached, six-section carpenter nail apron - Two large lower-front pockets - Left-leg hammer loop - Double knees with cleanout bottoms that accomodate knee pads - Two reinforced back pockets and back brush loop - Triple-stitched main seams.