SHOEI RF-1100 Full-Face Black Helmet with Clear Lens - 3 X 0113-0105-09 The Shoei RF-1100 Full Face Helmet has a lightweight Advanced Integrated Matrix Plus (AIM+) Shell Construction with aerodynamic properties that are maximized through extensive wind tunnel testing and professional riders feedback. Features a dual Layer EPS liner that enhances impact absorption and ventilation and five shell and six EPS liner sizes present increased fit options that help to comfortably fit most head sizes. It also has a third generation Tail Fin, integrated into the bottom rear beading in combination with the Shell-Integrated Spoiler that allows smooth airflow that reduces drag and lift. Also features CW-1 Shield and Q.R.S.A. (Quick-Release Self-Adjusting) System which allows for tool-less shield removal and installation.