Air channels integrated into the fibre glass wood core save weight compared to the pure wood cores and are more resistant to breaking; Combination of Easy Skin and Super Skin: Depending on the terrain and snow conditions, you can easily switch between the two proven climbing skins; Slightly opened ski tips for perfect gliding properties and lighter turning with less effort in unprepared terrain; Offtrack Crown and Easy Skin - exclusive climbing system combination for steel edge skis; Special components for extremely robust ski tails ensure they fulfil the durability requirements of ski rental; Narrow steel edge along the entire length of the ski. Guarantees constant edge contact on every surface