Blue 1.6 mm thick, 5.5 base cylindrically cut lens for maximum clarity. Available in regular and short lens options for the optimal coverage and fit. 100% UV Protection. Hydroilo exterior surface coating. Full range of interchangeable replacement lenses available for all light conditions. Designed in California. Produced in Italy. CE and ANSI Certified. Filter Category 3 Light Transmission 15% Red 1.6 mm thick, 5.5 base cylindrically cut lens for maximum clarity. Available in regular and short lens options for the optimal coverage and fit. 100% UV Protection. Hydroilo exterior surface coating. Full range of interchangeable replacement lenses available for all light conditions. Designed in California. Produced in Italy. CE and ANSI Certified. Filter Category 2 Light Transmission 21% Silver 1.6 mm thick, 5.5 base cylindrically cut lens for maximum clarity. Available in regular and short lens options for the optimal coverage and fit. 100% UV Protection. Hydroilo exterior surface coating. Full range of interchangeable replacement lenses available for all light conditions. Designed in California. Produced in Italy. CE and ANSI Certified. Filter Category 3 Light Transmission 14%