Embark on your next adventure with the Oneal 2021 Sierra II Adventure Dual Sport Helmet in Flat Black - Large. Designed for the thrill-seeker, this helmet is built to withstand the demands of off-road riding while providing a comfortable and secure fit.

The Sierra II features a dual-sport design, offering a unique blend of aggression and practicality. Its sleek, angular lines and bold graphics make it a statement piece on the trail, while its rugged construction ensures it can take a beating in even the most extreme conditions. The helmet's shell is constructed from high-strength ABS plastic, providing superior protection in the event of a crash.

The Sierra II's ventilation system is designed to keep you cool and comfortable by circulating air through the helmet's multiple vents. The chin bar and brow vents allow hot air to escape, while the rear vents draw in fresh air to keep you refreshed. The helmet's padding is removable and washable, making maintenance a breeze.

With its flat black finish and aggressive styling, the Oneal 2021 Sierra II Adventure Dual Sport Helmet is the perfect choice for riders who demand both style and substance. Whether you're tackling the trails or hitting the pavement, this helmet has got you covered.