12-ounce 100% cotton firm duck - 100% nylon lining quilted - Adjustable front-elastic suspenders with webbing slider on straps - Updated bib pocket style holds electronics securely - Ledge pockets - Updated chap front for protection and comfort - Kick panels for durability - Ruler pocket on wearers left side - Hammer loop on wearers right side - Zipper fly - Ankle-to-thigh leg zippers with storm flaps and snap closures - Triple-stitched main seams - Metal rivets at vital stress points