High-end is the right word to describe the SIERRA Helmet. With top performance in the areas of design, comfort and safety, this O’NEAL helmet is up to any challenge.
• Optimal ventilation & cooling
• Microlock buckle
• Pinlock® 30 anti-fog lens included
And these are just a few features that make this helmet stand out.
Be 50 Years Faster and set new standards – with O’NEAL
O’NEAL has been an experienced partner of motorsport athletes from all over the world for more than 50 years. With equipment that meets the highest requirements, we always set new standards in the industry.