Falke SK7 Race Women's Knee high Ski Socks Size:XS while the TrueBlend wood core AL216 40 IN while the TrueBlend wood core allows for a more progressive flex as you get to the tips and tails K2 also added pre cambered Carbon Power Forks in the tail to help for an energy boost in and out of turns and for those spontaneous Ollies The extra light “SK7" is the designed for highly ambitious and aggressive skiers who go the extra mile to have their boots custom fit and want direct contact with the boots for a strong level of power transmission to ensure that every steering movement of the skier is immediately transferred to the ski and quick dry properties to keep your feet dry and comfortable this is an ultralight ski socks for the highest level of control in a custom fit boot