Line Control Technology (LCT): LCT technology eliminates reverse camber flex providing better snow contact and stability in turns. Race-ready construction for a balance of total control of your line, power and precision to win races. The all new Hero Athlete GS Pro is a competition-level GS race ski designed specifically for U8 to U16 junior racers. The sizes, constructions and flexes have been adapted and modernized to better meet the needs of future developing Heros. Flexes and balance have been developed individually by size to best match the growing junior athlete. Rossignol Youth Hero Athlete GS Pro R21 Ski