Saint Laurent SL M146 OPT Optical Frame pairs a bold rectangular silhouette with lightweight construction for everyday prescription wear. The design emphasizes comfort through a signature monogram hinge and a full-rim acetate frame. Key attributes: Black | Acetate | Anti-reflective demo lenses | Lightweight construction | Monogram hinge for lightweight comfort | Compatible with prescription lenses | Includes original case and accessories | Rectangular full-rim frame | Monogram hinge detail | Dimensions & fit: Lens width: 54 mm | Bridge: 19 mm | Temple length: 145 mm | Frame height: 46.2 mm | Medium fit | Composition & care: Acetate | Wipe lenses with a microfiber cloth; store in the supplied case; avoid chemical solvents.