Product details:

Descriptions:: This youth motocross helmet is very light weight, strong and stylish. Top and front vents give excellent ventilation. Size Chart S (49-50 CM, 19.3/19.7 Inch); M (51-52 CM, 20.1/20.5 Inch); L (53-54 CM, 20.9/21.3 Inch);DOT Approved; M (51-52 CM,20.1/20.5 Inch).
Light weight durable aerodynamic thermoplastic alloy shell
Heavily cushioned and comfortable interior
Beautiful glossy UV protective finish
Removable and washable padding