SEI certified to meet NOCSAE standard Recommended for youth through high school players, the MVP2300 features a non-removable dual density foam liner, ABS plastic shell, and steel cage.  This classic shell design has large vents for good ventilation and the matching-color cage offers good looks and excellent visibility. MVP2300 - Adult - Fits head sizes 7 - 7 1/2 Recommended for youth though high school baseball. The MVP2300 mask is built with a dual density foam liner made with firm foam layer for absorbing and dispersing impacts followed by a second softer layer which is moisture wicking, comfortable, and fast...