Triple 8 Certified Helmet Switzer, Small/Medium Complies with U.S. CPSC Safety Standard for Bike Helmets for Persons Age 5+ & ASTM F-1492-08 Safety Standards for skateboarding & trick roller skating Polystyrene Liner Customized color and design personalized by the number 1 Downhill Long Boarder in the world Patrick Switzer Ideal for biking, skateboarding, long boarding, inline skating (roller blading), and roller skating