BICYCLE/ELECTRIC SCOOTER HELMET WITH A DYNAMIC AND SPORTY DESIGN, HIGH SAFETY, GOOD VENTILATION, AND COMFORTABLE FIT. MATERIAL: PC AND EPS (POLYSTYRENE FOAM). SAFETY STANDARDS: CE/EN1078 (EU), CPSC (USA). SIZE: S (53-55 CM), 250 G; M (55-58 CM), 260 G; L (58-61 CM), 270 G.