From the Manufacturer

The all-new 6D Alterra sets a new standard for full face enduro helmets, combining a lightweight design, effective ventilation, and all-day comfort without compromise. Featuring Omni-Directional Suspension™ (ODS) for advanced impact protection, an in-molded carbon fiber chin bar, and optimized airflow, it delivers full coverage without the bulk. Certified for e-bike and downhill riding, the Alterra is the perfect choice for enduro riders pushing their limits on any terrain.

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