EXCEL FR® Flame-resistant, 9 oz./yd², Twill 100% Cotton; One-piece, topstitched, lay-flat collar; Two-way concealed Nomex® taped brass break-away zipper, concealed snap at top of zipper at neck; Hemmed sleeves; Two set-in front pockets; One chest pocket; Two patch hip pockets; Side vent openings; 360ovisibility with front and back 2" yellow/silver/yellow reflective striping; Bulwark reseller hang tag and size strip; Arc Rating ATPV 11 calories