Learn how to properly regulate and wear your KASK ZENITH X through the ADAPTIVE FIT SYSTEM.
This size adjustment system integrates three components for all-day comfort. A new, double diameter dial allows for easier size adjustments. Ergonomic side wings ensure a fast and secure fit against the back of the head. The patented Self Adaptive Live Hinge is the latest, self-adjusting fit technology that moves as the wearer moves.

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