Oakley Holbrook Sunglasses combine classic square styling with Oakley's Prizm lens technology to boost contrast and provide reliable UV protection for everyday wear. Key attributes: Black | O Matter | Prizm lens technology | Impact-resistant lenses | 100% UV protection | Lightweight frame | Includes original case | Includes cleaning cloth | Certificate of authenticity and guarantee | Square frame | Keyhole bridge | Square O metal icon | Front rivet accents | Dimensions & fit: Lens width: 55 mm | Bridge: 18 mm | Temple length: 137 mm | Composition & care: O Matter frame | Plutonite lens | Metal rivet and icon accents | Clean lenses with the supplied microfiber cloth or with mild soap and lukewarm water; avoid alcohol, solvents, or abrasive cleaners. Store in the provided hard case when not in use and avoid prolonged exposure to heat.