These men's heavyweight bibs hold their own through wind, light rain, and several seasons of hard work. They're made with our rugged firm-hand duck, the most durable canvas out there. Ankle-to-thigh leg zips offer quick ventilation. Features 12-ounce, firm-hand, 100% ringspun cotton duck Adjustable front elastic suspenders 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