ARC2 Permanent flame resistant protection Inherently antistatic High cotton content gives great comfort Retains shape, wear after wear Shell Fabric : Modaflame Knit 9oz Standards ELIM TESTING IN PROGRESS ASTM F1959/F1959M-12 ATPV 16 CAL/CM2 (HAF 86%) EN ISO 11612 A1, B1, C1, F1 IEC 61482-2 IEC 61482-1-2 Class 1 EN 1149 -5