12-ounce, firm-hand, 100% ring-spun cotton duck • Nylon lining quilted to arctic-weight-polyester insulation • Adjustable front-elastic suspenders • Multi-compartment bib pocket • Zipper fly • Two large lower-front pockets • Left-leg hammer loop • Double-front knee construction with cleanout bottoms that can accommodate knee pads • Ankle-to-knee leg zippers with storm flaps • Two reinforced back pockets • Triple-stitched main seams • Metal rivets at vital stress points •