Serengeti Nuvola Sunglasses, Metallic Black Frame, Polar PhD 555nm Blue Lens,
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<b>[Product Information]</b><br>
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<li>Serengeti Polar phd 2.0 lens is built with NXT technology and made from trivex material, which is lighter than polycarbonate and offers a superior optical quality</li>
<li>Using only the highest-quality Injected nylon TR90 for superior durability, these frames are exceptionally light, extremely flexible and comfortable</li>
<li>With superior Serengeti Polarization, the fatigue, discomfort, squinting and impaired vision associated with all forms of glare simply go away. Polarization available in select models only.</li>
<li>Darkening in bright sunlight and lightening in overcast conditions. Serengeti photochromic technology allows your eyes to adapt to any light</li>
<li>Serengeti spectral control technology filters specific light wavelengths, sharpening the way you see color contract and improving visual definition</li>
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