AlterraThe 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