Whether you are in the box or running the bases, the ABS shell and dual-density foam padding provides you with durable, comfortable protection. The pre-drilled holes allow for cage use if desired and the channeled padding at the back of the helmet accommodates ponytails and longer haired players as they do their dirty work. They will be falling all over themselves wondering how you are pilfering their best pitches in the Nike Keystone Batting Helmet. Meets NOCSAE standards. Sz: fits size 6 3/8-7 3/8.