Oakley Tourniquet Sunglasses pair a sleek wraparound profile with lightweight O Matter construction and Prizm lens technology for enhanced color and contrast. Built for active use and everyday wear, they offer durable comfort and clear visual performance. Key attributes: Black | O Matter | Prizm lens technology enhances color and contrast | Lightweight, durable frame | Prescription-ready | High-wrap frame | Square shape | Full-rim frame | Dimensions & fit: Lens width: 57 mm | Bridge width: 17 mm | Temple length: 140 mm | Lens height: 40 mm | Frame size: 57-17-140 | Regular fit | High bridge fit | Size: M (130 mm) | Composition & care: O Matter frame | Polycarbonate lenses | Clean lenses with mild soap and water and a microfibre cloth; avoid abrasive cleaners and harsh chemicals.