Oakley Holbrook XL Sunglasses combine a larger square frame with Prizm Black lenses to deliver enhanced contrast and reliable sun protection for everyday wear. Key attributes: Brown | Matte brown tortoise | Prizm black | O Matter | 100% UVA/UVB protection | Impact resistant (meets or exceeds ANSI Z80.3) | Prizm lenses enhance color, contrast and detail | Lightweight, durable frame for all-day comfort | Three-Point Fit for secure optical alignment | Available with Oakley authentic prescription lenses | Optional HDPolarized lens treatment to reduce glare | Square frame shape | Keyhole bridge | Metal rivet details at hinges | Dimensions & fit: Lens width: 59 mm | Bridge width: 18 mm | Temple length: 137 mm | Wide - high bridge fit | Provides larger coverage than the original Holbrook | Composition & care: Frame: O Matter | Lens: Plutonite