Oakley Holbrook sunglasses blend a classic square silhouette with modern lens technology. The model pairs a lightweight O-Matter frame with optional Prizm or polarized lenses for enhanced contrast and full UV protection. Key attributes: Black | Nero opaco | O-Matter | 100% UV protection | Prizm lens technology for improved color and contrast | Lightweight frame | Durable construction | Available with polarized and Prizm lens options | Square front | Keyhole bridge | Metal rivet accents | Square O metal icon | Dimensions & fit: Lens width: 55 mm; Bridge: 18 mm; Temple: 137 mm | Standard fit | Composition & care: O-Matter frame | Plutonite lenses | Metal accents | Wipe lenses with a microfiber cloth; clean frame with a soft cloth. Avoid abrasive cleaners.