13-ounce, 100\\% cotton FR duck. 10.5-ounce FR quilt lining: FR modacrylic batting quilted to twill face cloth. Three-piece hood design for a better fit. Chin protector with FR hook-and-loop closure. Adjustable Nomex draw cord. Arc-resistant snaps for attachment to FR outerwear only. Carhartt FR label sewn on center back. NFPA 70E compliant. Flame-resistant fabric by Mount Vernon Mills.