Important!!! - DO NOT LEAVE NEGATIVE FEEDBACK FOR ANY REASON, ANY PROBLEM can be resolved in a peaceful and friendly manner, we are a shop with decades of experience and our customers are our priority, contact us and together we will find the best solution The C91N helmet offers riders some of the best features on the market at an affordable price. Starting with the Advance composite polycarbonate shell. The helmet is lightweight and offers superior fit and comfort thanks to advanced CAD technology. The chin guard is operated with a single, easy-to-use lever and is easy to use with gloves. It also includes an internal sun screen with a manual mechanism that moves forward and backward with ease. The large top vent allows airflow ventilation throughout the helmet's deep EPS channels, to keep.