Multi-functional: used as open face helmet, full face helmet or motocross helmet. The helmet can add face mask or bubble visor on it, add more diversity.Helmet1(face mask and bubble visor is not included). Items may slightly differ from photo in terms of color due to the lighting or your monitor's display. Manual measurement has been used, there may be some reasonable error. Choose the wrong size, type or color cause the unfit problem. For the quality problem or unfit problem, the problem pictues must be provided when Return. We are responsible for for some losses caused by logistics. We help to install the items. We do appreciate to have an opportunity to Resolve the problem before leaving feedback. ^_^ Hope you have a happy shopping experience in our store!