*New wind-breaking design to reduce wind resistance *Helmet with full edge for more safety protection *Material: EPS+PC *One-piece anti-collision and shock absorption *Weight about 264g *10 ventilation holes *Removable inner pad *360 degree adjustable head circumference *Packaging and PC plastic box, can be used as a storage box *CNAS certification *size:57-61 cm (adjustable for head circumference)
