Mizuno Adult Women's MBH252 MVP Fastpitch Softball Batters Helmet - Black & White Small/Medium - 6 3/4" - 7 /3/8" Large/XLarge 7 3/8" - 7 7/8" Durable ABS plastic shell. - EVA Foam inner core. Drylite liner helps control moisture. Pre-drilled hole locations for mask. Two-tone matte finish. - Meets NOCSAE standards