⢠YKK® concealed Nomex® taped two-way brass zipper and snap front closure â¢Using Nomex® thread, double stitches on pocket, serge and single stitch on all other seams ⢠YKK® Nickel plated brass snap (All snaps are covered with material) â¢Telescopic back, Quadruple stitched on waistband, Bar-tacked at all stress point â¢3M⢠Scotchlite⢠Reflective Material #8940 3/4â FR silver center stitched over 2â Fluorescent Lime-yellow Trim-X®, industrial wash. Reflective âaterial emplacement: two vertical strips on front, âxâ on back, two vertical strips on front, 3M⢠Scotchlite⢠Reflective Material #8940 1â FR silver Industrial WAsh. Reflective Material Emplacement; horizontal strip around each leg and arm.