Kastle RX Classic Boots

The Kästle RX WC Classic Boot (2026 model) is the pinnacle of Kästle's World Cup race boot lineup for elite classic skiers and competitive racers. Part of the refreshed RX WC series, it delivers uncompromising power, precision, and lightweight performance with a focus on explosive kick, energy return, and direct ski connection.

Engineered with a high-stiffness shell and reinforced construction for maximum propulsion in diagonal stride and double-poling, it features a low-volume precision fit for snug heel hold, excellent ankle support, and minimal energy loss. The ergonomic last and supportive cuff optimize classic technique, while the ultra-light design reduces fatigue over marathons or high-intensity sessions. Compatible with NNN, Turnamic, and Prolink bindings for NIS/IFP setups.

This 2026 iteration emphasizes race-ready flex and stability, making it a top choice for podium contenders and serious classic specialists.

• Model: RX WC Classic 2026
• Fit: Race precision last (low volume, snug)
• Shell: High-stiffness composite for power & control
• Weight: Ultra-light race design
• Features: Reinforced cuff, excellent heel hold, optimized classic flex
• Compatibility: NNN / Turnamic / Prolink bindings
• Intended Use: World Cup classic racing, marathons, elite training

Race-proven performance – powerful, precise, and built to win.