J+S Raglan Surfer&rsquo;s Polarized Mirror Lens Wayfarer Sunglasses for Men POLARIZED LENS: J+S Polarized lenses are specialized multi-layer lens designed to filter and block over 99.96% of glare. These lens are tough, lightweight, scratch resistant, and have high optical clarity (distortion free, clear vision), making them an excellent choice for general outdoor and water sports activities. UV 400 PROTECTION: all J+S Vision lenses are UV400 rated, meaning it can block 99%-100% of both UVA and UVB radiation. UV400 rated sunglasses are essential to protecting your eyes against long- term UV damage and keeping your eyes healthy when out and about. Rest assured, our UV400 protection coating is embedded/infused in the lens material itself and cannot be easily rubbed away or scratched off. FLASH / MIRROR COATING: the Raglan series now comes with the choice of colorful flash / reflective optical coating on top of our polarized, UV400 lens. Flash / mirror coating (also known as REVO lens) helps reduce overall brightness of light in harsh conditions and reflect light away from the eye  ideal for people who are light sensitive or require a high degree of light protection. *Note smoke lens (black solid lens) do not have mirror coating. HIGH QUALITY FRAME: 145mm width, 52mm lens, 143mm temples; polycarbonate material that is light weight yet strong and durable with smooth matte finish and reinforced metal hinge. It is also gift packaged ready, making it a wonderful yet practical gift idea for friends and family. 100% RISK FREE PURCHASE - All J+S Sunglasses comes with a 1 year warranty on frames and lens as well as a 30 Day Money Back Guarantee when purchased from authorized dealers. So if you are not completely happy with your purchase for whatever reason, let us know and we'll take care of you.