STANDARD: EN ISO 20345:2011. UPPER: water repellent Pull-up nubuck. EXTERNAL LINING: breathable synthetic. INTERNAL LINING: SANY-DRY® 100% polyester fabric, three-dimensional, breathable, antibacterial, 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.