12-ounce firm-hand 100% ring-spun cotton duck - Adjustable front-elastic suspenders - Loose Fit - Bib pocket with zipper closure - Zipper fly - Two large lower-front pockets - Left-and right-leg hammer loops and ruler pockets - Long-wearing chap-style double-front construction with cleanout bottoms that can accommodate knee pads - Ankle-to-thigh leg zippers - Two reinforced back pockets - Triple-stitched main seams - Metal rivets at vital stress points - Replaces R37 -