Oakley Holbrook Sunglasses pair a timeless square-frame silhouette with Oakley's Prizm lens technology for enhanced contrast and reliable sun protection in everyday wear. Key attributes: Black | O Matter | Prizm lens technology | Polarized option available | High Definition Optics (HDO®) | 100% UV protection | Includes protective case/bag | Replacement lenses available | Sold as non-prescription frames | Square frame | Metal rivet accents | Logo plaque | Straight arms with curved tips | Composition & care: Frame: O Matter | Lenses: Plutonite (Prizm-compatible) | Clean lenses with the supplied Microclear/microfiber cloth and store in the protective case or Microclear bag when not in use.