Detachable Full Face Bike helmet 's Sports Cycling mtb Motorcycle Skateboarding Roller Skating Helmet

Product Type● 's sports helmet● Convertible between full face and half face modes● Suitable for cycling, MTB, skateboarding, roller skating, and more Material and Construction● Outer Shell: Durable PC● Inner Liner: EPS foam for shock absorption● Weight: 420g (14.8 oz)● Type: Non integrally-molded helmet Ventilation and Comfort● 13 air vents for active airflow● Vented mouth guard for breathability● Adjustable fit dial for a secure fit● Removable and washable liner for hygiene Fit and Sizing● Head circumference: – 52–56 cm (use 12mm liner) – 54–58 cm (use 8mm liner)● Two sets of pads included: – 12mm for smaller heads – 8mm for larger heads Package Includes● 1 bike helmet