Reflect the style of glasses worn by aviators of the first world war. As then even today protect eyes and allow an excellent visibility. The metal frame is sewn on the frame in a soft rubber, the width of the nose is adjustable. The lenses are in shockproof plastic and scratch resistant and are provided with defog treatment. The lenses are protective against UVA. The elastic is adjustable and can be moved both above and below the helmet. Even if play perfectly their protective function and they can also be used only to embellish the helmets of the custom bike or for vintage cars and motorbikes.