Mid-density polyethylene/polypropylene

including Heel Flex technology for a more flexible/forgiving heel when the ball is heading your way

Has Insane Whip Through The Zone With Less Vibration On Contact

The D-Lite Composite Handle eliminates vibration for a smooth feel on every swing

ankle control and elite level performance

New Mizuno F6 Adult Fastpitch Softball Batting Helmet w/Mask L/XL Gray/White Large/X-Large (7 3/8 - 7 7/8):Gray/White Mid-density polyethylene/polypropyleneGender engineered specifically for the fastpitch Softball athlete Constructed with a durable, lightweight ABS plastic shell Designed with an innovative honeycomb shell pattern to lower helmet weight, while providing high level protection EVA foam inner core provides superior protection and interior comfort Meets nocsae standards (7 3 8 7 7 8)