The Men's Flame-Resistant Duck Bib Lined Overall includes Carhartt's signature construction with the protection you need. This 13-oz., flame-resistant cotton duck with a quilt lining. High back with flame-resistant elastic suspenders and high-temperature nylon center release buckles. Chap-style double front for durability. Ankle-to-mid-thigh brass leg zippers with Nomex zipper tape. Flame-resistant melamine buttons at waist. NFPA 70E compliant. Imported.