Our easiest-wearing, hardest-working FR bib overall stands up to any challenge. The Carhartt 100445BT features 12-ounce Nomex® IIIA fabric with a FR neoprene moisture barrier. It has a high back with FR elastic suspenders and FR center-release buckles. A chap-style front enhances durability and the leg zippers are non-conductive. It features 3M ™Scotchlite™ Reflective Material and has 2-inch reflective trim encircling each leg. Meets ASTM F1891, F2733, F903, and NFPA 70 E requirements.