Benchmark FR 4025FR-R 5XL Flame Resistant Cotton Feather Weight Coverall, 5X-Large, Red Flame-resistant coverall helps protect skin and clothing from damage caused by arc flash or flash fire Zip pocket to store small items Twill cotton is lightweight, non-abrasive, and breathable for use in warm environments Heat-resistance category is HRC 1 Meets OSHA 1910.269 and 1910.960, NFPA 70E, ASTM F1506, and NESC 2012 specifications