The Modigliani S3 SRC is a 100% metal free safety boot with cold protection. Water repellent full grain leather upper Breathable fabric external lining 100% polyamide fabric internal lining EVANIT footbed made of EVA and nitrile special compound, with high bearing capacity and variable thickness. Non metallic TOP RETURN toe cap resistant to 200 J Non metallic APT PLATE midsole - Zero Perforation TPU toe cap protection Anti-torsion Support Metal Free