Ultra-Stiff

The Adjustable Ventilation assures the perfect helmet climate in all conditions

snowshoeing

and lateral support

this evil genius just loves to ride

Kastle 110R SC Ski Boots 2026 (Final Sale) 2022/2023 Ultra-StiffThe Kstle K110R SC Ski Boots 2026 are short cuff junior race ski boots developed for upcoming World Cup athletes. With a 110 flex and race focused construction, they provide a powerful platform for young racers who need precise control and strong response on course. A special TPU shell composition is designed to maintain stiffness across changing conditions, while the Racing Liner, Active buckles, and 45 mm Active strap create a secure, performance