Age Group :( Adults) Men Air Vents: 8-15 Material: PC + EPS Certification: CE Type: Hot Sale China Manufacturer Design Your Own Ohio State Bicycle Helmet Construction: High Density EPS, Strong PC Colors: Can be customized Shell: Three PC Shells Display: Removable Vents: 14 Air Vents Technology: In-Mold Warranty: One year Delivery Time: 30 working days Certification: CPSC, CE Show More