NCAA 1-15a
If a player refuses to change to a legal helmet, he is ejected. [OBR: No rules provision.]
If a player refuses to change to a legal helmet, he is ejected. [OBR: No rules provision.]
Batter must wear a protective helmet with double ear flaps that meets the NOCSAE standard. [OBR 3.08c: Any protective helmet (single ear flap) is permissible.]