Description: Safe and Sturdy: High quality composite pp shell provides better hardness, lightweight, impact resistant, drop resistant and shockproof. Comfortable Lining: Equipped with multi layer removable inner lining, soft and comfortable, easy to clean and provide more protection to head. Lens: Clear anti fog lens with wide viewing angle, sunshade and windproof, wear resistant and scratchproof, the angle can be adjusted to ensure that sight is not disturbed. Universal for All Seasons: With a removable plush lining scarf that is windproof and warm in winter, quick release buckle can help the people open easily with one hand. Application: Streamlined design, reducing wind noise and drag, suitable for motorcycles, electric vehicles, bicycles, etc., and suitable for both winter and summer motorcycling. Specification: Material: PET visor, PP shell Size Chart: Suitable for head circumference size 54cm-61cm/21.26inch-24.02inch Package Includes: 1 Piece Motorcycle Scooter Helmet   Note: Please allow slightly errors due to manual measurement and different monitors.