uvex rally Frame colour: black Lens: clear, anti-fog (CATEGORY 0) Suitable for spectacle wearers clear, anti-fog lens thanks to Supravision super anti-fog Extra-long head strap with silicone coating Ergonomic fit venting system in the frame GENERAL INFORMATION Lenses are divided into the following filter categories: CATEGORY 0: clear or very light tinted CATEGORY 1: light tinted CATEGORY 2: medium tinted CATEGORY 3: dark tinted CATEGORY 4: very dark tinted Only lenses in filter categories 0 to 3 are approved for use on public roads.