The Saint Laurent SL M146 OPT Optical Frame combines a refined oversized square silhouette with lightweight acetate construction. Designed for everyday wear, it pairs easily with a wide range of styles and accepts prescription lenses. Key attributes: Black | Acetate | Anti-reflective lens treatment | Lightweight construction | Demo lenses (prescription-ready) | Includes original case and cleaning cloth | Comes with certificate of authenticity and guarantee | Oversized square shape | Monogram hinge detailing | Full-rim frame | Dimensions & fit: Lens width 54 mm | Bridge 19 mm | Temple 145 mm | Medium size | International fit | Composition & care: Acetate | Wipe lenses with the included cleaning cloth and store in the supplied case; avoid solvents and abrasive cleaners.