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The proven Freeflex technology
With K_Blend technology use a brand new material mix - to ensure highest performance in the moste extreme conditions
The essence and power of these elements are reflected in the new Kästle women's line TERRA
WTR and Touring soles
RX WC DUATHLON Size:49 The proven Freeflex technologyDiscover the boot that unlocks your full potential the RX WC Duathlon. Engineered with the highest precision, this boot is designed to bring out the best in both you and your skis. Equipped with a full carbon chassis, it delivers uncompromising performance and exceptional durability for both Skate and Classic Experience an entirely new level of comfort. The RX WC Duathlon adapts perfectly to your foot, offering an outstanding fit. Enhanced torsional
