Featuring a fabric-wrapped Charged Foam liner that absorbs impact, the Under Armour(R) Junior Heater Digi Camo Batting Helmet offers critical protection when you need it most. Revolutionized Protection, Quality Comfort: Durable, impact-resistant ABS plastic shell provides critical protection Charged Foam liner absorbs impact Large ventilation ports and HeatGear(R) liner keeps players cool and dry Fabric-wrapped liner treated with antimicrobial to kill unwanted bacteria and odors Size: Junior (fits hat sizes: 6-3/4" and under)