The Versatile Panto. Featuring the true rounded panto shape with a double bridge, this style is favored by drivers, known as ‘tunnel glasses.’ Equipped with flip-up clips for seamless transitions between clear prescription and sunglasses. Various clip options available, including yellow calicrome for night driving, snow, and fog conditions. Offers 80% polarization, with a 50% polarized option for less sunny days, amber lenses for enhanced contrast, and a +0.75 flip for near vision.