The Lange RSJ 65 is a ski boot that excels in its category. It offers a superior level of performance thanks to its high-quality four-buckle closure system, complemented by a 30mm Velcro strap. This strap offers adjustable responsiveness depending on the skier's level of skiing. What's more, its single-injection polyurethane shell has a flex of 65, providing solid support without being too physically demanding. As for its Control Fit liner, it's designed for narrow feet and slim calves, making it the perfect choice for young skiers, while offering warmth, comfort and performance. By incorporating these advanced technologies, the Lange RSJ 65 combines both comfort and performance. This allows intermediate and advanced skiers under the age of 12 to enjoy fast-paced laps on groomers and more casual skiing. What are the strengths of the Lange Rsj 65 ski boot? Balance of performance and accessibility Comfort Ski boots Lange ---Rsj 65