Saint Laurent SL 840 Glasses combine a defined corner angle with a medium acetate frame for a refined everyday optical or sunglass option. The silhouette balances a soft squared look with geometric lines for versatile wear. Key attributes: Black | Acetate | Full-rim frame | Compatible with prescription lenses | Soft squared / geometric silhouette | Iconic corner angle at the front | Thin acetate construction | Engraved logo on temples | Dimensions & fit: Lens width: 51 mm | Bridge width: 20 mm | Temple length: 145 mm | Medium fit | Easy-to-wear silhouette | Composition & care: Acetate