Sport Sonnenbrille Radbrille für Skifahren Laufen Kitesurf Wassersport Running Golf Motorrad by Bertoni Italy - FT1000; the ultimate Sport Sunglasses made by Bertoni Italy; manufactured in TPX-lightest polymer frame, material's density 0.83gr. Lenses are in PC 2,2mm. of thickness anticrash. These technical and professional sporting sunglasses includes an adjustable and removable elastic strap to have a very skin tight fitting for who practices extreme sports. Special cuts on the upper surface prevent the foggin up. Bertoni provides lifetime after sale service for all Bertoni goggles and sunglasses.