Smith Method - Polarized Sunglasses

Description of the Smith Method - Polarized Sunglasses:

The recognized standard for polarized performance and protection, the Crystal Series matches eight optical-quality glass lenses with a variety of all-day frames made to fit any face. The clear choice of guides worldwide, our Crystal Series with Techlite polarized lenses make no compromises in the quest to be the best polarized sunglasses available.

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: Medium Frame: TR-90 Grilamid Lens: TLT 8 Base Carbonic Interchangeable Lenses: No Polarized: Yes Warranty: Lifetime Warranty Shipping: Free!

Smith Method Lens Options
• VLT 12% • medium to bright conditions	Photochromic Copper Mirror A medium to dark copper lens which allows relatively true color transmission with moderate contrast. Comfortable and pleasant on the eyes.
• 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.
• VLT 12-34% • medium to bright conditions	Photochromic Gray *Special Order - Returns require a 25% restocking fee* A UV sensitive photochromic carbonic lens with a gray tint. Provides true color transmission and natural hues. Very versatile through various levels of light transmission. Excellent for all around use.
• 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.

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.