Description: Design:Open Face Helmet is equipped with lenses, and the angle can be adjusted arbitrarily, which can reduce the sun damage to the face and can resist flying objects during riding. Quick Release Buckle:Open Face Moped Helmet is a quick socket, simple design, easy to operate, and can adjust the length of the seat belt to keep the head in a comfortable position. Ventilation:Motorcycle Helmet adopts ventilation and heat dissipation openings on the front and back, making it more comfortable to wear the helmet. Hollow lining design, circulation and ventilation, not stuffy when worn. High Quality:Half Helmet is made of high quality plastic material,which are not easy to damage. Ergonomic design, lightweight design, no head pressure.Comfortable to wear. Fitment:Motorcycle Half Helmet is suitable for motorcycles, mopeds.Can be used by men and women. Specification: Head Circumference: 26cm-62cm/10.24inch-24.41inch Package Includes: 1Motorcycle Helmet Note: Please allow slightly errors due to manual measurement and different monitors.