Kästle K90R SC
Kästle K90R SC are race-oriented ski boots with a short cuff, developed for young racers and skiers who want to take the next step in precision and control. They feature a race construction that enables direct energy transfer and stable skiing at higher speeds.
With a softer flex of 90, they are more accessible while still being responsive enough for technically demanding skiing.
Key Benefits
✔️ flex 90 for balanced race performance
✔️ short cuff for improved control and positioning
✔️ direct power transfer to the skis
✔️ stability at higher speeds
✔️ race construction for precise control
Construction and Performance
✔️ K_Blend material for stability and responsiveness
✔️ race shell for competition use
✔️ active buckles for precise adjustment
✔️ 45 mm active strap for improved energy transfer
✔️ racing liner for precise ski contact
✔️ optimized construction for junior racing
On-Snow Feel
✔️ precise and direct feel through turns
✔️ stability at medium and higher speeds
✔️ quick response to changes in direction
✔️ good control on groomed slopes
✔️ predictable and reliable ski control
Who Is This Boot For?
✔️ young racers
✔️ beginners in competitive skiing
✔️ club racers
✔️ advanced skiers looking for a race feel
✔️ users who want more precision than recreational models
Source: Kästle











