Triple Eight 3021 Dual Certified Helmet, X-Small/Small, Blue Rubber Complies with US CPSC Safety Standard for Bike for ages 5+ and ASTM F-1492-08 Safety Standards for skateboarding and trick roller skating High-density ABS outer shell Polystyrene Liner Triple Eight customized logo rivets Each Helmet comes standard with an extra set of fit pads to better customize fit