BELL Marvel Spiderman Hero Helmet, Red, Child (5-8 yrs.)

Recommended for ages 5+, but will fit most heads measuring 50-54 cm. Always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that doesn't fit can be dangerous. 9 vents to keep little heads cool. Side-squeeze buckle. Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older