Fire retardant, Anti-static, ARC Flash Jacket. 300gsm 60/40 Modacrylic/cotton blend. Triple stitch construction. 2 breast pockets, 2 lower pockets. Large qualifying icons on left arm. EN ISO 11611:2015 (Class 1 A1 A2) - Protective clothing for use in welding. 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 61482-1-1:2009 (ATPV = 10.8 Cal/cm2) - Open Arc testing. EN ISO 13688:2013 - General requirements for protective clothing. Each garment style is independently tested to both Box and open ARC standards. Click ARC production is covered by article 11B certification.