The Mach single ear left handed batting helmet was meticulously constructed for adult players looking for a single ear helmet. It features the same Mach shell design used at the major league level. Its comfortable foam padding makes it the perfect option for any left handed batter. If you're looking for a new single ear helmet, this Mach right handed batting helmet is perfect for you! Buy today! Sizing: S (6 7/8 - 7), M (7 1/8 - 7 1/4), L (7 3/8 - 7 1/2), XL (7 5/8 - 8)