FEATURES of the Oakley Youth Mod1 MIPS Helmet YOUTH FIT "WHEELIE" WEDGE: Removable youth fit wedge insert to help prevent the helmet from rocking backwards and creating a "wheelie effect". Thereby helping to ensure greater forehead coverage and more seamless helmet/goggle integration. Small (49-53cm) / Medium (53-57cm) ASTM F2040 and CE EN1077 certifications Certification(s) ASTM F2040, CE EN1077 Disclaimer We only ship this brand to US Addresses. Gender Kids Best Use Snowsports
