Alain Prost Unisex Px2000 Red & Black Frame, Brown Lens Sunglasses,Width : 5.6 Cm (2.2 In) Plastic frame glass lens non-polarized Lens width: 56 millimeters Vuarnet lenses filter out all harmful UVZ, UVB and UVC radiation. Their multi-layered anti-reflective coatings eliminate glare and bounce-back light. All Vuarnet lenses are made from the finest glass, ground and polished on both sides to ensure distortion free vision, and are heat tempered for impact and scratch resistance. They meet the most stringent quality control standards and exceed all the performance criteria imposed by European, American and Australian consumer legislation. Delivered with case Case and Microfiber pouch included