WOW Youth Kids Motocross BMX MX ATV Dirt Bike Helmet Star Matt Pink

Helmet 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 Helmet Size Tips (1)Wrap a measuring tape around your head about a half-inch above eyebrows (2)Take measurement two to three times to pick the largest one.