Nero Metal x Wood Sunglasses Polarized Lenses. Nero is a a touch modern styling with a refined aesthetic. The hexagon lenses bordered with natural hardwood create a memorable frame that is sure to impress. Here's some of the features you can look forward to: Polarized CR39 Lens Multilayer Wooden Exterior Premium Hardwood Acetate Tips 100% UVA UVB Protection Spring Loaded Hinges Metal Frame Collapsible Travel Case Microfiber Cloth Dimensions: 52 x 21 x 142mm (Lens x Bridge x Temple) General Size: Medium If you're in the market for a traditional 5th anniversary present or groomsmen gift, look no further than this exotic pair of shades.