The HJC V31 is a great jet helmet by HJC. A jet helmet provides ultimate freedom, and often gives you that classic look. Because of this classic look you often see Urban/Street riders loving this type of helmet. Not only do they often provide excellent ventilation and field of view, they are the lightest type of helmets out there. This V31 only weighs g. The low weight provides excellent freedom making the jet helmet a great choice for riders who love to ride in sunny weather.