Guideline Eyegear Rio Sunglass, Shiny Black Frame, Deepwater Gray Polarized Lens, Medium/Large Grilamid BTR bio based polymer frame, fully recyclable - locking hinges and rubber nose pads Proven wrap design offers style and performance - includes Neoprene case with Velcro closure Polarized Polycarbonate Lens 100% UVA/UVB Protection Deep Water Gray tint transmits all the colors in the spectrum and maintains the most natural of the existing contrast and color; VLT 11.8% Ideal for sports both on-the-water and nearby in medium-to-bright sun conditions; Great all around choice