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La Sportiva Cyklon





Micro-adjustable, precision fit for on-the-fly modifications to attack any trail and any terrain.

locked in

The Dynamic Cage powered by BOA wraps the foot for a better connection and stability - improving running efficiency and reducing landing impact.


Engineered and built to perform on the toughest trails, the BOA Fit System provides rugged durability through technical descents and improved control for ridgeline scrambling, hard-packed flats, and everything in between.

Boa Fit System

BOA Fit System