Flame-retardant Pearl Button work shirt for welding industry uses a soft Frarctex Flame-retardant cotton brocade fabric, weighing about 7 ounces, ATPV 8.6 cal cm, HRC CAT 2, which is radiation-resistant and can be reduced by workers who often work outdoors; Not only that, it also has flame-retardant effect and anti-static characteristics, for the safety of workers to provide a reliable guarantee. Material 88% Cotton 12% Nylon 7oz Arc Rating ATPV 8.6 cal/cm², HRC/CAT 2 Color Customized Standards UL classified NFPA 2112 - 2018 NFPA 70E PPE ASTM F1506 Description Inherently aramid sewing thread Ultrasoft FRARCTEX FR fabric Two chest pockets with snaps