Men's Rugged Flex Relaxed Fit Canvas Bib OverallNo break in time necessary. These 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. Previously known as the Rugged Flex?? Rigby Bib.