Fur-lined winter boots. High-resistance (600 denier) polyamide uppers, Teflon®-treated (waterproof and dirt-resistant). Waterproof thermoplastic vamp and upper. Polyester fur lining, 350gr/m2, with insulating foam. Heat-insulated non-slip sole with self-cleaning pattern. Hotty® polypropylene underside with aluminium for better heat insulation. Foot coated with high-resistance rubberised fabric. Nickel-free anti-corrosion hooks. 3M Schotchlite® retro-reflecting stripes. High tenacity thread seams, doubled in the areas subject to the most stress.