100% cotton canvas, ring spun. Adjustable elastic suspenders at the front with webbing sliders at the straps. Modern bib pocket for secure storage of electronic equipment. Stretch side panels for a snug fit. Front pockets. Reinforced pockets on the back. Front with buttons for protection and comfort. Inserts at leg cuffs. Right side folding rule pocket. Right side hammer loop. Perfect fit. Triple stitched main seams. Metal rivets at key stress points