X-Loop Unisex Ski / Sports / Cycling Sunglasses with Protective Vault Case plastic frame plastic lens non-polarized Lens width: 4 inches X-Loop Ski and Sports Sunglasses from the New Season Collection - Sport Sunglasses, Unisex with UV400 Protection (UVA & UVB) Wrap style protects against dirt and grit as well as ambient, reflected and direct sun light Anti slip nose pads and super flex legs stop the glasses from moving during activity Shatter proof optical quality polycarbonate lenses 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