Propper Flame Resistant 100% Cotton Coveralls - Non-Reflective 100% Cotton ARC Rated, Flame Resistant and UL Certified to NFPA 2112 - 2012 Meets the performance requirements of NFPA 70E (current edition) and ASTM F1506 - 10a Major stress points are reinforced with an X bar-tack Acceptable for use in occupations covered by OSHA Final Rule 1910.269