X-Loop Matrix Style Metal Half Frame Sunglasses plastic frame plastic lens non-polarized Lens width: 2.5 Superb metal 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 Anti slip nose pads and super flex legs stop the glasses from moving during activity 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