Twin Skin Performance is the perfect choice for the exerciser who wants to get out on the track quickly and easily. Fischer's unique skin construction, Twin Skin, provides both secure grip and good glide. Durable skin of 70% mohair and 30% synthetic. The ski's core construction, Air-Channel, provides low weight and a stable riding feel. Updated with WC-pro coating for maximum sliding properties. Fischer's binding system (Turnamic) makes it possible to move the binding quickly and easily. This is to adjust the amount of mount for different snow conditions.