NFPA 70E HRC1 Arc Rating ATPV 4.8 calories/cm2 Flame resistant, 4.2 oz. Synthetic Carbon Fibers, Kevlar® Concealed, two-way brass zipper Gripper at top of zipper and at neck One -piece, topstitched, lay flat collar Hemmed sleeves Two set-in front pockets, One chest pocket Two patch hip pockets, Side vent openings