These salopettes are made from 2-layers of ArcFlex fabric to protect against Electric Arc, Flame, and Anti-Static. With re-inforces knee patches, elasticated sides and elasticated braces. Easy-access leg openings with Velcro width adjustment to accomodate Safety Boots. Front zip fly with Velcro storm flap. EN ISO20471 Class1, EN 343 3:3, EN1149-5, EN ISO11612 A1 B1 C1, EN 61482 Class2, EN 14360.