Bertoni Sports Sunglasses for Bike Cycling MTB Running - Antifog Interchangeable Lenses - by Italy AF900 Sporting Wraparound Windproof Glasses Sport sunglasses made by Antistress TR90LX, 70% Nylon 30% Carbon fiber - Size: suitable for all types of faces (narrow to large) 2 interchangeable antifog lenses included, smoke flash mirror + yellow djustable nose pads: it adjusts to the size of the nose in oder to fit perfectly - Gripping tips and nose, keeps the sunglasses from slipping Wraparound design: protects the eyes from wind and bad weather, provide enhanced peripheral vision - Weight: 18 grames - Lens width: 140mm ( curved sport wraparound windproof single lens ) - Lens height 45mm Ventilated thanks to the special cuts on the upper surface of the lens