Click Arc Flash GO/RT Sweatshirt is Fire retardant, Anti-Static, Hi-Vis Orange and has ARC Flash. GO/RT 3279 issue 8 2013 for use on or around railway lines. 275gsm 41% Protex, 30% Polyester, 27% Cotton, 2% Carbon. Inherently flame retardant. Fire retardant properties will not diminish with repeated laundering. Ribbed cuffs. Ribbed waistband. For industrial workers exposed to heat. Not suitable for fire fighters. EN ISO 13688:2013 - General requirements for protective clothing. EN ISO 20471 : 2013 (Class 3) - GORT 3279 2013 Issue 8. EN 1149-3:2004 - Anti Static - Test methods for measurements of charge decay. EN ISO 11612:2008 (A1 B1 C1) - Protection against heat and flame. ARC FLASH. IEC 61482-2:2009 - Performance requirements and design requirements. EN 61482-1-2 : (Class 1= 4kA) - Box Arc testing. EN 61482-1-1:2009 (ATPV = 12.8 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.