Mizuno MVP Prime Fast Pitch Softball Glove. Oil Plus Leather - perfect balance of oiled softness for exceptional feel & control. 12 inch. Smooth, professional style Oil Soft Plus Leather is the perfect balance of oiled softness for exceptional feel and firm control that serious players demand. V-Flex Notch to help initiate easy closure. PowerLock closure for maximum performance. Center pocket designed patterns offer the most versatile break-in possible. Vertically laced heel special for fast pitch patterns. 12.00 Inch Infield Pitcher. Arched Tartan Web.