Intellectual-looking Boston-style titanium frame Titanium, the smart metal. Lightweight, strong, and beautiful. An intellectual-looking round titanium frame. Using lightweight materials, it reduces the burden on the ears and nose even after long hours of wear, providing a comfortable fit. It is resistant to sweat and moisture, has excellent corrosion resistance, and is strong and durable, allowing you to enjoy it timelessly for a long time. Despite its small size, it also has the flexibility unique to titanium. Size 50□21-145 A Lens width (one side): 50mm B Bridge width (nose part): 21mm C Temple (earpiece) length: 145mm Finished dimensions D Finished width: Approximately 139mm E Finished height: Approximately 46mm Weight 8.3g It is very light and has an orthodox design, so it can be used by anyone. The condition is good as it has only been used twice after purchase ☺︎ The lenses have prescription, so please replace them before use.