Omni-directional Suspension (ODS) technology minimizes angular and linear impact forces for enhanced safety
In-molded carbon fiber chin bar increases durability and reduces weight for high-speed impacts
Dual liner construction with Multi Impact EPP and EPS layers absorbs energy across a range of crash intensities
Optimized airflow with over-brow intake channels, large rear exhaust ports, and internal sub-channeling keeps air moving efficiently to reduce heat buildup
Fidlock magnetic closure enables one-handed operation for quick and secure fit adjustments
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6D Alterra MTB Helmet Advanced Protection Meets All-Day Comfort
The 6D Alterra redefines what a full-face enduro helmet can be—delivering industry-leading impact protection, a featherlight design, and premium ventilation without sacrificing coverage. Engineered with 6D's exclusive Omni-Directional Suspension™ (ODS) technology, the Alterra