Oliver Peoples R-15 Sunglasses pair a lightweight metal frame with high-performance NXT lenses and adjustable nosepads for secure, all-day wear. Designed for versatile use, they balance classic squared styling with technical details for enhanced grip and optics. Key attributes: Black | Metal | High-optical-quality NXT lenses | Mirror and polarized lens options | Lightweight frame for extended comfort | Adjustable nosepads | Rubber bridge and rubber temple tips for improved grip | Grip-enhancing rubber details | Slightly squared lens shape | Octagonal temple tips | Discreet RF branding and RF 8 plaque | Lightweight metal construction | Dimensions & fit: Lens width: 56 mm | Bridge width: 15 mm | Temple length: 145 mm | Lens height: 47 mm | Frame size: 56-15 | Standard face coverage | Best for most faces (56-15) | Adjustable nosepads for custom fit | Composition & care: Metal frame | NXT lenses (Sierra Flash Mirror) | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in provided case when not in use.