Glasses - Wileyx - KNIFE Frame Brown Crystal

100% UV Protection. Polarized Bronze lenses have a superior visual definition and increases contrast, enhance ground level contours in most light conditions. They are also preferable for general daytime use. Light transmission: 13%. Our proprietary polarized lens technology adds 100% polarization to 100% ultra violet protection for unequalled clarity and contrast. Meets or exceeds (US.) ANSI Z87.1 High Velocity impact safety and optical standards. Certified and tested accordingly to the EN.166 (F) norm – EU. Personal Eye-Protection Standard. Eye-Protection Category: Low energy impact - Spectacles. Our patented removable Facial Cavity Seal Blocks out wind, debris and peripheral light. Wiley X frames can be filled with a prescription safety lens that meets the on-duty and battlefield safety requirements. The RX RIM system brings prescription lens possibilities to the NeXT level, by extenting lens power capabilities further than the traditional RX Lens limitations. Top down™ ventilation for fog free environment. Multi-layer foam for added comfort and protection. Designed for medium-large faces.