This helmet extension is only made for use on Evoshield batting helmets. Rawlings only recommends working with their helmet extension on their own helmets to be able to comply with warranty and NOCSAE specifications. You could find their Mach helmet extension at the hyperlink below: It is far from similar http://messiahhexph.imblogs.net/43771658/the-5-second-trick-for-schutt-batting-helmets