These blue coveralls also have elastic wrists. Perfect for use over thermally protective and arc protective clothing! Second generation Pyrolon® Plus 2 offers wet or dry strength superior to that provided by other traditional Flame Resistant disposables. Meets the NFPA 2113 requirements for section 5.1.9. Pyrolon® Plus 2 is breathable, making this a cool and comfortable garment to wear. Can be used in work environments where hazardous or non-hazardous contaminants may be present. Pyrolon® Plus 2 quality standards meet ANSI/ISEA 101. Do not use for fire protection. Avoid open flame or intense heat. Pyrolon® Plus 2 garments are not washable. Washing removes the special finishes, thereby removing the flame retardancy, water and oil repellent characteristics.