- In a comparative test by the largest European motorcycle magazine, "MOTORRAD," the O'Neal SIERRA helmet was among the winners and received the "recommended purchase" award in the Adventure/Enduro helmet category
- The shell is made of high-quality ABS
- Multiple air vents for optimal ventilation and cooling
- Microlock closure
- Padded comfort lining, removable, absorbent, and washable
- Bluetooth ready with cavities for internal speakers and a rubber ring on the back of the helmet (Bluetooth unit not included)
- Pinlock® 30 anti-fog lens included (not installed)
- Clear visor plus integrated secondary sun visor
- Complies with the new ECE 22.06 testing standards for enhanced safety
- Note: the helmet is slightly smaller than its predecessor ECE 22.05

Outer shell: 74% ABS, 26% EPS; Padding: 100% PU foam; Lining: 85% polyester, 15% spandex

400 Bad Request