Carhartt took their most popular unlined bib overalls and made them even better with suggestions from the hardworking Carhartt crew. Now there's extra stretch around the waist, front-to-back kick panels on the cuff s, and much more - improvements that make these the best bibs you'll ever work in. 12 oz. ringspun 100% cotton duck, with adjustable elastic suspenders, double layer knees, triple-stitched seams and much more. Multicompartment bib pocket with zip closure, large front ledge pockets, reinforced back pockets, right leg hammer loop. Replaces R01.