GIRO Nine.9 Jr. Helmet for Kids: GIRO Nine.9 Jr. Helmet for Kids is the helmet for progressive young riders that performs like those worn by the pros. This helmet has the same DNA as the adult version but features kid-friendly graphics and sizing. With an in-mold shell, an EPS liner, and 12 vents for comfort, this helmet will keep you kids safe and stylish. Sizing Help: XS fits 52.53.5cm, S fits 53-55.5cm, M fits 55.5-57cm, L fits 57-59cm. For a proper fit, measure just above the brow line and around the back of the head.13.5 ounces.

In-mold shell

EPS liner

12 vents for comfort

XS fits 52.53.5cm, S fits 53-55.5cm,

M fits 55.5-57cm, L fits 57-59cm