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National Safety Apparel ArcGuard Performance Arc Flash Jacket, 40 Cal, Size: 2XLarge, Arc Flash Rating: 41 cal/cm⊃2, Certifications/Compliance: CAT 4, NFPA 70E, CSA Z462, OSHA 1910.269, Closure Type: Zipper, Snap, Navy, Gender: Unisex, 35% ePTFE, 25%