Cap Multinorms HERON SIOEN®. Hooded wool with good protection against cold, breathability and anti-pilling treatment. Two wool faces: 54% Protex / 34.2% cotton FR + 10% / 1.8% polyamide AST, 310 g / m². EN ISO 11612: 2008 / A1 B1 C2 F1, EN ISO 14116: 2008 / Index 3 / 25H / 40, EN 1149-5: 2008, EN ISO 13688: 2013, for further information consult the other standards below.