Serengeti Dante Sunglasses, Drivers Gold Polarized Photochromic Brown Glass Lens Imported glass lens Serengeti Flex Series 'Dante' Lightweight Sunglasses, Brown Tortoise Color Frame Serengeti DRIVERS GOLD POLARIZED PHOTOCHROMIC Brown Glass lenses, changes from category 2 (16% LTF) to cat. 3 (11% LTF) Front lens surface Gold Flash Mirror coated - Prevents damaging Infrared wavelengths reaching the eyes. Also Rear lens surface Anti Reflection coated 100% Protection against UVA, UVB & UVC Lens width 63mm/height 38mm, 15mm DBL, temple length 130mm, adjustable nose pads. Boxed with Hard case and microfibre cleaning cloth