sell all kind of work coverall.
1.fabric: 65%polyester 35%cotton twill, 100%cotton twill, 60%cotton 40%polyester
twill cvc.different kind of weight. fabric could be teflon finish, nano finish.
2.zipper: ykk or local.
3.various tool pocket.
4.triple-stitch for all main seam.
5.knee pocket for knee pad.