tifosi glasses davos matt black 3The Tifosi Davos matte black glasses are versatile and suitable for various weather conditions. They feature a durable TR 90 frame with anti slip rubber on the adjustable nose pads and temples. They come with three ventilated and interchangeable lens sets, including Smoke, AC Red, and Clear. Smoke: ideal in sunny conditions. AC Red: recommended during sunny to cloudy weather. Clear: recommended in cloudy, dark weather. The glasses weigh only 33 grams.