STANDARD: EN ISO 20345:2011. UPPER: Water repellent full grain leather. EXTERNAL LINING: breathable textile. INTERNAL LINING: 100% polyamide fabric, ladder-proof, antibacterial, breathable, it absorbs and releases the moisture, abrasion resistant. FOOTBED: EVANIT, made of EVA and nitrile special compound, with high bearing capacity and variable thickness (12mm – 8mm – 3,8mm). Thermoformed, anatomic, punched and coated with highly breathable fabric. Antistatic thanks to a specific treatment on the surface and to seams made of conductive yarns. SOLE: polyurethane/TPU.