Shoei Rf1100 Corazon Tc7 Med Aerodynamic properties are maximized through extensive wind tunnel and professional riders feedback Dual-Layer EPS liner enhances impact absorption and ventilation Five shell and six EPS liner sizes present increased fit options that help to comfortably fit most head sizes A third generation Tail Fin, integrated into the bottom rear beading in combination with the Shell-Integrated Spoiler, allows smooth airflow that reduces drag and lift DOT FMVSS 218 Certified