The Smith Undertow's wrap style frame and 8 base Polycarbonate lenses provide superior coverage and protection for larger faces. Integrated hydrophilic Megol rubber nose pads and temple ends in a strong yet lightweight Grilamid TR90 Nylon Frame allow this sunglass to withstand the toughest conditions. The right choice for active endeavors, the diverse all-polarized Carbonic Series is built for speed and style. Based on a foundation of shatter resistant Carbonic lenses, this series is available in full selection of tint and frame styles. Photochromic (PC) lenses are available in some select lens colors. The PC lens changes tints according to how dark or bright it is outside, allowing you to see better as light conditions change. Smith Optics use Techlite Lens ; Glass is #1 for optical clarity & scratch resistance. Give it a specialty TLT grind to reduce the weight and you've got yourself the world's lightest Techlite glass lens. Chemically treated to increase shatter resistance. ANSI Z80.3 surpassing impact resistance and prismatic power. 100% UVA/B/C. Perfect for low impact hyperactivities and loitering with intent. Visible Light Transmission (VLT) is the percentage of available light allowed to reach the eye. Different lens tints offer specific VLT to enhance vision in different light conditions. Product Details Fit: Large Frame: TR-90 Grilamid Nose Pads: Hydrophilic Megol Lens: 8 Base Carbonic Interchangeable Lenses: No Polarized: Yes Warranty: Lifetime Warranty Shipping: Free! Smith Undertow Lens Options • VLT 12% • medium to bright conditions Gray *Special Order - Returns require a 25% restocking fee* A medium to dark lens providing true color transmission and preserving natural hues. • VLT 12% • medium to bright conditions Copper A medium to dark copper lens which allows relatively true color transmission with moderate contrast. Comfortable and pleasant on the eyes. • VLT 31% • low to medium light conditions Yellow *Special Order - Returns require a 25% restocking fee* A medium yellow high contrast and light enhancing specialty lens. Best uasage is in low to medium light conditions. • VLT 12% • low to medium bright conditions Brown A medium to dark brown lens providing the best combination of true color transmission and medium contrast. TLT Lenses: What are they? When you curve a lens it can bend the light passing through it and distort what you see. Tappered Lens Technology (TLT) contours the thickness of the lens so that light travels through without distortion. What you see is what you get? With TLT Without TLT UV Protection Linked to eye diseases, cataracts, and temporary conditions such as "snowblindness," Ultraviolet Radiation (UVA/B/C) is magnified by snow-covered surfaces. All Smith lens tints protect your eyes from 100% of these harmful forms of solar radiation.
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