Oakley Tightrope Men's Active Authentic Sunglasses - Polished Black/Black Iridium / One Size Fits All Frame Color: Polished Black Lens Color: Black Iridium Size: One Size Fits All Oakley Tightrope Active Racewear Sunglasses for Men Non-Polarized Model. Polarized Lenses or Eyewear sold separately. Polarized Lenses is an optional purchase. Please check for Availability