The 59G model is dedicated to those who live in the high mountains and is made of Grilamid: despite being designed with the latest technologies, it has lines that are reminiscent of vintage mountaineering sunglasses. It is sold with fixed side panels and removable nosepiece cover, all in leather, and is offered with two types of lenses for high mountains. The Quattro lens (Cat. 4) which has a pa   + info