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. Fabric: Flame resistant, 4.5 oz. NOMEX®IIIA.Certified by Underwriters Laboratories to meet the requirements of NFPA® 2112 Standard on Flame Resistant Garments for Protection of Industrial Personnel Against Flash Fire, 2012 Edition. Silhouette: Home wash. Light soil wash.