No break-in time necessary. These Carhartt Fit duck men′s lightweight bibs are ready for the toughest jobs, with stretch canvas that feels comfortable from the start. Built to last, the overalls have triple-stitched seams, reinforced cuffs, and a double layer at the knees. The extra bit of stretch gives you enough flex to bend and squat without a problem. 12 oz/yd² - 407 gsm. 100% Cotton. Rugged Flex® - Eases movement. Kick panels - Full circumference kick panels. Bib pocket. Right-leg hammer loop. Two back pockets. Double front reinforced knee pockets with cleanout openings. Chest pocket with zipper closure. Adjustable front-elastic suspenders.