Cool, collected and sophisticated, Ray-Bans Womens RB4068 Polarized Sunglasses have a sleekly modern groove that fits well with any gathering. The squared glass lenses are polarized to deliver outstanding, glare-free contrast and are framed in smooth, comfortable nylon featuring thick contoured temples with wraparound tips. Created in 1937, the classic lens was originally developed for military use. These lenses offer a high degree of clarity, comfort and protection, blocking out a majority of blue light and prevents 85% visible light from passing through the lens. With no nose tips, Ray-Ban RB4068 Polarized Sunglasses sit comfortably on your face and provide the maximum coverage you need for a full field of vision. 100% UV-resistant. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.