BOSS 1723/S Sunglasses from BOSS pair a stainless-steel rectangular navigator frame with refined acetate details for a structured, everyday look. Designed for clear sun protection and prescription compatibility, they suit both city and travel use. Key attributes: Black | Ruthenium Havana | Stainless steel | 100% UV protection | Adjustable nose pads | Double bridge | Prescription-ready | Includes case and cleaning cloth | Rectangular navigator shape | Full-rim frame | Straight temples | Dimensions & fit: Lens width: 56 mm | Bridge width: 20 mm | Arm length: 150 mm | Lens height: 47 mm | Approx. total frame width: 142 mm | Composition & care: Stainless steel | Acetate | Plastic (lenses) | Wipe lenses with a soft microfiber cloth. Avoid chemical solvents and abrasive cleaners. Store in the supplied case when not in use.