O’Neal Sierra II Motorcycle Helmet – Flat Design, Durable & Stylish

$34.42

SKU: OSF-H-C-S-3009 Category: Tags: , ,
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Description

O’Neal 2018 Sierra II Flat Helmet: Built for Unmatched Performance & Safety

When you need a helmet that combines rugged durability with cutting-edge comfort, look no further than the O’Neal Sierra II Flat Helmet. Designed for riders tackling street commutes, enduro trails, or adventure expeditions, this helmet offers premium protection paired with customizable features tailored to your needs.

Engineered for Maximum Protection
Constructed with a robust ABS shell engineered to meet rigorous DOT and ECE 22.05 safety standards, this helmet prioritizes impact resistance without compromising on weight—clocking in at 1590g (±50g) for a balanced fit that stays secure even during high-speed adventures.

Unbeatable Comfort & Ventilation
Experience all-day comfort thanks to its moisture-wicking, washable air-channeled liner that keeps you cool and dry during extended rides. Strategically placed vent holes ensure optimal airflow while maintaining structural integrity, making it ideal for hot weather or intense off-road sessions.

Customizable Fit & Features
Adjust your riding perspective with an integrated height-adjustable face shield designed to reduce glare and wind fatigue on long journeys. The padded Double-D safety lock chin strap provides secure retention while offering unparalleled comfort during hours in the saddle.

Versatile & Long-Lasting Design
Whether you’re navigating city streets or rough terrain, this helmet adapts effortlessly to your riding style. Plus, with replacement parts readily available, maintaining peak performance is simple—no need to compromise on safety or style over time.

Why Choose Sierra II?
| Feature | Sierra II Flat Helmet | Competitor Helmets |
|————————-|————————————-|————————————–|
| Weight | Lightweight 1590g design | Heavier shells sacrificing mobility |
| Ventilation | Advanced air-channeled liner | Limited airflow options |
| Customization | Adjustable shield & multi-use fit | Fixed shields & rigid sizing |
| Safety Compliance | DOT/ECE dual certification | Single-standard compliance |

Perfect for riders seeking a blend of street-smart styling and off-road resilience, the O’Neal Sierra II Flat Helmet is your ultimate companion for any two-wheeled endeavor.

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