Choppers &reg; Mens Polarized Motocycle Silver Sunglasses plastic frame plastic lens polarized Lens width: 2.5 Superb budget sport / ski sunglasses UV400 100% Protection Wrap style protects against dirt and grit as well as ambient, reflected and direct sun light Shatter proof optical quality polycarbonate lenses New Season Collection Glasses conform to ANSI Z80.3 General Purpose UV Protection standards and European Directive 89/686/EEC in accordance with standard Pr EN 1836.1997 and are CE approved