Optic Nerve Yampa Polarized Sunglasses - Tortoise/Brown with Green Mirror - Polarized protection without any frills, in a planet friendly frame built with dedicated peripheral protection. The Yampa gives you exactly what you need in a daily driver pair of sunglasses - versatility, durability, and a lightweight design. Features UV Rating: 100% UVA/UVB Protection; Lens Type: Polarized; Design: Active Sports; Warranty: Product Lifetime; Frame: Durable, Lightweight; Free Microfiber Soft Case;