The world is your wave, ride it like a shark in the Raskullz Sharkmo Helmet. Features: Cruise around like a shark out of water in this radical shark-filled graphic helmet which features a 3D fin hawk A perfect lightweight helmet for your little rad shark to use while riding a bike, scooter, skateboard or rollerblades Adjustable straps for a custom snug fit, and aerodynamic cooling vents for great airflow Durable outer PVC shell, and impact-dampening expanded polystyrene inner foam construction Recommended for kids 5-8 years old but will fit anyone with a head measuring 50-54 cm Complies with the US CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older