6D Helmets Alterra MTB Helmet - Splice

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.

Features

• Patented Omni-Directional Suspension™ (ODS)
• Multi-Impact EPP Inner Liner and EPS Outer Liner: Provides layered protection.
• In-Molded Carbon Fiber Internal Roll Cage: Adds structural integrity while maintaining a low weight.
• Polycarbonate Shell: Ensures durability and impact resistance.
• EPP Sternum and Clavicle Crash Pads
• lonic+ Antibacterial Comfort Liner
• Goggle Compatible with Under Visor Storage
• Glasses Compatible
• Directional Venting and Sub-Channeling
• Extra-Large Rear Directional Exhaust Vents
• Large Over Brow Ventilation Channels
• Fidlock Closure System
• 3-Position Snap-Away Adjustable Visor
• Travel Bag Included
• Multiple Comfort Liners and Pad Sets included
• 710g M/L
• Meets or exceeds CPSC, EN1078, AU/NZS 2063, 8776 E-Bike standards, as well as ASTM F1952 (Downhill) and ASTM F2032 (BMX)

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