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National Safety Apparel 65 Cal ArcGuard Nomex/Kevlar Arc Flash Leggings, Size: Medium, Ankle Style: Open, Certifications/Compliance: Arc Rating: 65 cal/cm², CAT 4, NFPA 70 E, CSA Z462, ASTM F1506, OSHA 1910.269, Closure Type: not applicable, Brown, S