101029 - M FR Mock Neck Vest Carhartt FR resists flash fire and arc flash but never hard work. MIDWEIGHT 8.5-ounce, FR canvas: 88% cotton/12% high-tenacity nylon FR Sherpa lining Brass front zipper with Nomex FR zipper tape plus inside and outside protective flaps with hook-and-loop closure for electric-arc protection Two large front pockets Two inside pockets Drop tail for added coverage Back length: Large Regular 27.75 inches: Large Tall: 29.25 inches Carhartt FR and NFPA 2112/CAT 4 labels sewn on left-front pocket Meets the performance requirements of NFPA 70E and is UL Classified to NFPA 2112 Carhartt FR Mock Neck Sherpa Lined Vest