These coveralls have hood, storm flap over zipper, elastic face, elastic wrists and ankles. Disposable, chemical resistant and flame resistant, all rolled into one garment! Meets NFPA 2113 requirements. Pyrolon® CRFR garments bar contaminating flammables like paint, oil and grease, hazardous liquids and contaminants, and dry particulates from penetrating to inner clothing. Also are self extinguishing and won't melt or drip. Designed to be worn over primary FR protective clothing, for environments where flash fire is a concern.