Air Tec Basalite Special air channels in the lightweight wood types reduce weight compared to the Air Channel construction. Basalt fibres for perfect flex characteristics regardless of temperature. Twin Skin Two separate skin strips arranged in offset positions and with variable base-depth integration result in smooth and balanced gliding.Mohair skins ensure you can rely on the kick action, especially in hard or icy conditions. Efficient Forward Thanks to the revolutionary composition of proven materials the elasticity of the body of the ski is extremely increased: this guarantees a forgiving kick action and a new, easy-going skiing experience. Power Layer 0.2 mm thin, extremely lightweight, full-surface high-pressure laminate comprising natural fibres and resin for noticeable ski weight reduction. Fischer Twin Skin Pro Medium Nordic Ski