12oz., 100% cotton ring spun duck, adjustable front elastic suspenders with webbing slider on straps, updated bib pocket style holds electronics securely, stretch side panels for more precise fit, ledge pockets, double back pockets, updated chap front for protection and comfort, kick panels, ruler pocket on wearers left side, hammer loop on wearers right side, true fit, triple stitched main seams, metal rivets at vital stress points, imported.