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The Techno is a wrap around lightweight, frameless spectacles with a one piece lens and soft rubber temple ends. The glass has a soft nose piece for greater comfort and fit. The lens is made of hard coated polycarbonate that is 4A coated (Anti-Fog, Anti-Scratch, Anti-Static, & Anti-UV). CSA Z94.3-07 certified by CSA Canada and meets ANSI Z87.1 requirements.