DOT Full Face Motorcycle Helmets with Dual Visor&Tail Motocross Racing Helmet. Material:High quality ABS. Weight:about 1.4 kg. S fits for head cicumference 55-56 cm. M fits for head cicumference 57-58 cm. L fits for head cicumference 59-60 cm. XL fits for head cicumference 61-62 cm. XXL fits for head cicumference 63-64 cm. Dual visor, HD anti-fog lens, inner visor is smoke, outer visor is clear. High strength shell to keep your driving safe. Comfortable and removable interior. Reserve a position for intall bluetooth (bluetooth is not included in this listing). 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. Find a better price. 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!