awlings Coolflo® technology, first introduced in 2006, forever revolutionized batting helmet protection with its state-of-the-art venting system and sleek, aerodynamic look. Initially worn by all Major League Baseball® athlete. Specifically constructed for the athlete desiring a helmet with an established history of excellence along with pro-inspired attributes. Rawlings Coolflo® models will continue to redefine the standards of traditional helmet design. Meets NOCSAE® standards. Sizing: 6 ½” – 7 ½”