Carhartt FRA002 Flame Resistant Midweight Canvas Hood. 8.5 ounce FR canvas: a blend of 88% cotton and 12% high tenacity nylon. 6.75 ounce FR quilt lining: FR modacrylic batting quilted to twill face cloth. Three piece hood design for better fit. Chin protector with FR hook and loop closure. Nomex drawcord for adjustment. Arc resistant snaps for attachment to FR outerwear only! NFPA 70E Compliant. Flame resistant fabric by Mount Vernon Mills. HRC 3 ATPV(CAL/CM2) 33.5