Oakley OO9533 HSTN SQ Sunglasses pair Oakley’s HSTN SQ design with Prizm lens technology to deliver enhanced contrast and everyday sun protection in a square, full-rim silhouette. Key attributes: Brown | Marrone | O Matter | Prizm lens technology for enhanced contrast | UV protection | Polarized lens option available | Multiple lens options including Prizm and polarized | Lightweight frame | Includes Microclear cleaning/storage bag | Square frame | Full-rim design | Logo on temples | Dimensions & fit: Lens width: 54 mm | Composition & care: Frame: O Matter | Lens: Plutonite | Clean lenses with a microfiber cloth; store in protective case or Microclear bag.