Made of 8.5 oz. FR canvas, 88% cotton/12% high-tenacity nylon. Offers 7 oz., FR 88% cotton/12% high-tenacity nylon FR twill lining. Features antique-finish brass snaps throughout, (2) chest pockets with rivet reinforcements, adjustable 2-snap cuffs with extended plackets, and Carhartt FR and CAT3 labels sewn on left pocket. Arc rating: 34 cal/cm², CAT3. Meets performance requirements of NFPA 70E standards and is UL® Classified to NFPA 2112.