Gucci GG2121S Sunglasses pair a square, geometric silhouette with brown lenses for refined everyday sunwear. The model is suited for prescription conversion and daily use. Key attributes: Brown | Polyurethane | Prescription-ready | Square geometric frame | Full-rim frame | Dimensions & fit: Lens size: 52mm | Bridge: 17mm | Arm length: 135mm | Frame height: 38.3mm | Size M | Composition & care: Polyurethane | Clean lenses with a soft microfiber cloth and mild lens cleaner. Store in a protective case and avoid prolonged exposure to heat or harsh chemicals.