The Wiley-X WX Valor Sunglasses use Selenite polycarbonate lenses for maximum ballistic protection, distortion free clarity, superior field of view and 100% UVA/UVB protection. A deceptively strong half-lens frame with the capability to easily and quickly change lenses provides maximum light condition versatility. Wiley-X Valor Sunglasses exceeds ANSI Z87.1-2010 high velocity safety standards and meets US military specifications as combat protective eyewear. WX Valor is an updated wrap around design that is made for style, comfort, and versatility Meets or exceeds ANSI high velocity impact optical standards Meets and exceeds military ballistic standards WX Valor is RX ready for those who need prescription sunglasses Smoke Grey lens technology is excellent in extra bright conditions but won't distort colors; it also provides maximum glare protection Polarized Smoke Green lens technology maximize glare reduction without distorting colors Interchangeable lens technology for lenses to fit any occasion (Smoke Grey, Clear, Light Rust) Model # Lens Frame CHVAL04 Polarized Smoke Green Metallic Silver