Guideline Eyegear Tidal Sunglass, Tiger Tortoise Frame, Freestone Brown Polarized Lens, Medium/Large Modern style "Aviator" features spring hinges and nylon nose pads 8 base curve design - includes Neoprene case with Velcro closure Polarized Polycarbonate Lens 100% UVA/UVB Protection Freestone Brown Lens tint transmits a wide spectrum of colors for truer color perception and high contrast; VLT 12.4% Performs optimally in lower light conditions and perfect choice for shallow water conditions; Great driving sunglass