Recommended for ages 8-14; fits head sizes 54-58 cm Light up LED fin mohawk 2 light modes Auto shut off feature CPSC compliant The Krash! Dazzle Red Mohawk youth size helmet has 5 LED lights that illuminate the red fin mohawk! The lights power on and off with a button located at the back of the helmet, and the lights can be set in steady or flash mode! Recommended for riders 8-14 years old, but will fit most heads measuring 54-58 cm