T-Rex loves to get rad and now your child can too with this helmet from Raskullz! It features a unique design with a removable mask for the ultimate in fun and safety. Perfect for riding on the bike trails or skate parks, this helmet has an EPS inner shell for shock absorption and an adjustable chin strap for a custom fit. CPSC 1203 Bike and ASTM F1492 Skate safety certified. For ages 5-8. Fits head sizes 19.7-21.2" (50-54cm).