The Men's Flame-Resistant Duck Bib Overall includes Carhartt's signature construction with the protection you need. This 13-oz., flame-resistant cotton duck. High back with flame-resistant elastic suspenders and center release buckles. Multiple tool and utility pockets to carry your gear. Ankle-to-mid-thigh brass leg zippers with Nomex fire-resistant zipper tape. Flame-resistant melamine buttons at waist. NFPA 70E compliant and classified to NFPA 2112 standards. Imported.