All the greatest athletes are fans of Prizm lens technology: they reveal unexpected details and give a new definition of contrast to offer a perfect visual experience, whatever the sport or the environment in which you operate,These glasses are adaptable with single vision or progressive lenses BBGR. Select the thinning and options that suit you and treat yourself to high quality eyeglasses at the best price,You will have an incredible style with these sunglasses shaped encircled made in acetate . These sunglasses style classic are of size medium .