cut at the front, designed to allow the skier to lean forward during flight. For cross-country a skating boot is used. Ski suit and helmet Skis: jumping skis may have a length of a maximum 145% of the total body height of the competitor. Cross-country skis may be up to 2 meters long. Ski poles Ski wax: glide wax for speed is used in both types, and kick wax is used in cross-country. References Cross-country skiing Ski jumping Snow sports Sports originating in Norway Winter Olympic sports Nordic skiing Combination events