Persol Round Sunglasses offer Italian-made craftsmanship in a classic round silhouette, pairing a terra di siena acetate frame with light blue crystal lenses for clear vision and everyday sun protection. Key attributes: Brown | Acetate | Glass (crystal) lenses | Full-rim frame | Round shape | Light blue lenses | Terra di Siena frame | Dimensions & fit: Lens width: 51 mm | Lens width: 53 mm | Bridge: 19 mm | Temple: 140 mm | Lens height: 46 mm | Lens height: 47 mm | Composition & care: Acetate | Glass | Clean lenses with a microfiber cloth; avoid abrasive cleaners and prolonged exposure to heat.