Carhartt Duck Unlined Bib Overalls. CT102776This is an update to our best-selling R01 overalls., 12-ounce, firm hand, 100% ring spun cotton duck canvas, Adjustable front-elastic suspenders with highly durable clasps, Multi-compartment bib pocket with zippered closure, Stretch side panels, Zipper fly, Two lower-front pockets, Ruler pocket on left leg, Hammer loop on right leg, Updated chap-style double-front construction, Double-front knee construction with cleanout bottoms to accommodate knee pads, Two reinforced back pockets, Reinforced 360-degree kick panels around the cuffs, Metal rivets at vital stress points, Carhartt-strong, triple-stitched main seams, Carhartt label sewn on bib pocket