6 New Radians Revelation Adjustable Safety Glasses This is a set of 6 Radians Revelation adjustable safety glasses These have a 5 position ratchet plus 4 position telescoping temples for superior fit These have soft, non-slip rubber nosepieces for long wearing comfort All lenses are hard coated All lenses provide 99.9% Uva and Uvb protection These have ventilation channels between lenses and frames All meet or exceed all Ansi Z87.1 and Csa Z94.3 requirements Each lens is amber, which has light gathering properties making them ideal for low light environments in which contrast is low The color highlights and defines by blocking out much of the blue light and allows about 84% visible light transmission When it comes to safety eyewear, Radians is unsurpassed in selection, quality, delivery and value