An ultra-light construction features a slight horned temple and notched bridge. Frame Material Fog Crystal is a cool grey crystal frame handmade from zyl acetate with a polished finish. Hardware Five barrel hinges with a wire core embedded in each temple for strength. Lens Green CR-39 lenses manufactured by Carl Zeiss Vision. Featuring 100% UVA/UVB protection and 6 base curve. What's In The Box Includes a premium vegan 100% polyester sunglass case and custom printed polishing cloth.