Flame Retardant. Anti-Static. Arc long Sleeve polo shirt made from 210gsm 60/40 Modacrylic/cotton blend Pique fabric. Inherently flame retardant fabric. FR properties will not diminish with repeated laundering. For industrial workers exposed to heat. Not suitable for fire fighters. 3 Button placket. Ribbed cuffs. Robust yet soft and comfortable to wear. EN ISO 13688:2013 - General requirements for protective clothing EN 1149-3:2004 - anti-static - Test methods for measurements of charge decay EN 1149-5:2008 - anti-static - Material performance and design requirements EN ISO 11612:2015 (A1 A2 B1 C1) - Protection against heat and flame Arc FLASH IEC 61482-2:2009 - Performance requirements and design requirements EN 61482-1-2:2007 (Class 1 4kA) - Box Arc testing EN 61482-1-1:2009 (EBT50 5.0 Cal/cm2) - Open Arc testing. Each garment style is independently tested to both Box and open Arc standards. Click Arc production is covered by article 11B certification.