"Dynamic Protection: Better visibility: Wider field of view and better peripheral vision than any other fastpitch helmet Moisture wicking. Wrapped padding manages dampness and reduces irritation Ultra lightweight. Designed to reduce weight without sacrificing strength Advanced Comfort: Comfortable fit. Dual-layer padding adds protection and form-fitting comfort Cooling technology. 21 strategically placed air vents keep you cool Additional Details: Size: Small - Medium (Head sizes 6” – 6-7/8”) Size: Medium - Large (Head sizes 6-1/2"" - 7-3/8"") Meets NOCSAE® standards Includes RIP-IT's® ""Love It Or Return It"" 30 Day Refund Policy with free return shipping"