The FACTOR'S Polarized interchangeable lens system creates a sleek and subtle design allowing unobstructed peripheral view perfect for the running trail, golf course, or weekend ride. Smith's Interchangeable lens system utilizes distortion-free, 9 base lenses to provide precise optical clarity and maximize coverage while minimizing peripheral exposure to sun, wind, and glare.
TR90 Grilamid frame
TLT Carbonic lens
Medium fit / Medium coverage
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Smith's TLT Optics corrects the distortion inherent in standard 8 and 9 base lens curves by progressively tapering the lens towards the outer edge. It results in light waves being delivered straight to the eye without distorting. This gives better vision and less eye fatigue.