Made for the most extreme winters! A stylish yet practical boot. It's built in crampons are super easy to flip when hitting a patch of ice. Comfort zone down to -35C Retractable crampon combined with a non-slip sole 100% premium leather 100% waterproof membrane 200g Thinsulate insulation Lining: 50% Merino wool / 50% polyester Removable laminated polyurethane weatherproof insole Removable aluminium/felt insole Real rubber sole Crampon made of stainless steel Possible replacement crampon NexGrip Men's Ice Victor Boot