Propper Flame Resistant Reflective Trim Coveralls - 100% Cotton (XXX-Large, Khaki) 100% cotton ARC Rated, Flame Resistant UL Certified to NFPA 2112 - 2012 Meets the performance requirements of NFPA 70E (current edition) and ASTM F1506 - 10a Acceptable for use in occupations covered by OSHA Final Rule 1910.269 100% Cotton