The Men's Flame-Resistant Midweight Bib Overall includes Carhartt's signature construction with the protection you need. This 8.5-oz., flame-resistant canvas, 88% cotton, 12% high-tenacity nylon. An added 8.75-oz. flame-resistant quilt lining adds warmth. Chap-style double-front enhances durability while ankle-to-thigh leg zippers help with movement. Nomex flame-resistant zipper tape and proactive flaps with arc-resistant snap closures. NFPA 70E compliant and UL classified to NFPA 2112 standards. Imported.