The C91 helmet will offer riders some of the best features on the market at a budget-friendly price - Starting with the Advance Polycarbonate Composite Shell - It provides a lightweight helmet with a superior fit and comfort using advanced CAD technology - The chin bar operates with an easy to use a single lever and is user friendly with gloves - ECE and D.O.T. Approved and Meet FMVSS 218 Standard - It also includes an internal sun shield with a manual mechanism that moves forward and back with ease - The large top vent allows airflow ventilation throughout the deep EPS channels of the helmet, keeping you cool on rides.