Hat Fit fit system fits ponytails too 17 vents PinchGuard ensures pinch-free buckling Tapeless technology CPSC 1203 Bike compliant Visor CPSC 1203 Bike compliant Fits head sizes 51-57 cm Colored EPS liner The Bell Blast helmet features a sleek design with a fun fit system. With the new Hat Fit fit belt, it's just like adjusting a baseball hat, and it's ponytail-compatible! Tapeless technology creates a seamless finish. The visor protects from the sun and the 17 vents make for an extra-cool ride. The PinchGuard system ensures a pinch-free buckling experience. CPSC 1203 Bike compliant. Fits head sizes 51-57 cm. Recommended for ages 5-8.