Competition-inspired power for juniors.The Hero World Cup 90 SC is a high-performance competition boot for competitive junior racers.It features a stiff flex rating of 90.The 97 mm last provides greater comfort, circulation, and warmth while maintaining a high-performance fit.The short cuff design allows for a natural stance and range of motion for smaller athletes, further enhancing comfort and performance.Narrow Fit.Narrow Fit features a 97 mm last for a competition-inspired fit, with a contoured forefoot and strong heel counter for an excellent balance of performance, control, and comfort.Better skiability, better fit.Dual Core shell technology provides targeted power transmission and shell wrap, resulting in livelier rebound, response, and control.Short cuff.A shorter upper cuff provides a more natural stance for skiers with shorter legs to increase balance, comfort, and performance.Racing Precision.Racing liners feature anatomical high-density foam padding to optimize precision and performance.