Retrosuperfuture Unico Stilo M40 50 Sunglasses pair a squared acetate frame with high-quality optical lenses for defined, everyday sun protection. Designed for a modern, structured look, they suit daily wear and crafted outfits alike. Key attributes: Black | Nero | Acetate | 100% UVA/UVB protection | Carl Zeiss lenses | Handmade construction | Squared acetate frame | Transparent front detail | Brown lenses | Tight-fitting silhouette | Dimensions & fit: Lens width 50 mm | One size | Composition & care: Acetate | Carl Zeiss lenses | Clean lenses with a microfiber cloth. Store in protective case. Avoid contact with solvents and prolonged heat.