Gucci Institutional Logo Sunglasses pair a black acetate frame with green lenses for reliable sun protection and a retro-inspired look suitable for everyday wear. Key attributes: Black | Green | Multicolor | Acetate | UV400 protection | Category 2 lenses (moderate sunlight) | Prescription-ready lenses | Encircled frame | Retro-inspired silhouette | Institutional logo detail | Dimensions & fit: Lens width: 49 mm | Bridge width: 22 mm | Temple length: 145 mm | Small size (49-22-145) | Composition & care: Acetate frame | Clean lenses with a microfiber cloth; store in a protective case; avoid abrasive cleaners and harsh chemicals.