Matsuda M3101-I Sunglasses combine a bold geometric silhouette with pressed titanium rims and the brand’s signature M+N motif. Designed for refined everyday wear, they pair lightweight construction with distinctive hand-applied lacquer detailing. Key attributes: Brown | Antique Gold Dark Brown | Titanium | Lightweight titanium construction | Durable metal frame | Prescription-ready (demo lenses included) | Includes hard case and microfiber cleaning cloth | Geometric (hexagonal) frame | Pressed titanium rims with M+N motif | Hand-applied lacquer | Wide rim | Dimensions & fit: Eye: 50mm | Bridge: 21mm | Temple: 145mm | Narrow fit | Composition & care: Front: Pure titanium | Temple: Pure titanium | Lenses: Demo lenses (prescription-ready) | Clean lenses with a microfiber cloth and mild lens cleaner. Store in the supplied hard case when not in use. Avoid abrasive cleaners and extreme heat.