A warrior who never say failed need a helmet.◆ ParametersType: motorcycle flip up helmet/full face helmetMaterial: ABS + EPSWeight: about 1700 gramsSize: M(57~58CM), L(59~60CM), XL(61~62CM), XXL(63~64CM)Highlight: ECER 22.05/DOT Approved,Bluetooth headset,Double anti-fog sun visors,detachable lining,noise reduction◆ MaintainDo not use excessive force when scrubbing the inside of the helmet. Otherwise, the cushioning material will be deformed and lose its cushioning function. After cleaning, wipe off the moisture with a towel or paper towel, and place it in a ventilated place to air dry. Never use a hair dryer.◆ Caution1. Please allow 1-3CM as the manual measurement error range.2. Due to the difference between the monitor and the indicator lamp, there will be some differences in the color display. Thank you for your understanding.◆ Package includes1 * Bluetooth motorcycle helmet