Air Channel - Air channels integrated into the fibre glass wood core save weight compared to the pure wood cores and are more resistant to breaking; Power Edge - Reinforced ski chassis ensures longer service life; Rental Tail Protector - Special components for extremely robust ski tails ensure they fulfil the durability requirements of ski rental; Sidecut World Cup Skate - Arrow-shaped sidecut for improved performance and dynamics especially for the 1:1 skating technique