Upper: Water repellent leather Inner Lining: TEXELLE 100% polyamide fabric, breathable, it absorbs and releases the moisture, abrasion resistant Outer Lining: Breathable synthetic Insole: COLD BARRIER, made of soft and scented polyurethane, antistatic, anatomic, insulating against low temperatures. The thermal comfort inside the footwear is granted thanks to the special polyurethane compound devised to give high insulation. Fleece lined Toe Cap: FIBERGLASS CAP, non metallic fiberglass resistant to 200 J Plate: Non metallic APT PLUS - Zero Perforation Sole: COLD DEFENDER PU/nitrile rubber resistant up to +300 °C (1 minute contact) and to low temperatures up to -25 °C