Saint Laurent M146 OPT 001 Optical Frame presents an oversized square acetate silhouette with a monogram hinge for lightweight comfort and refined everyday wear. Designed for prescription use, it balances bold styling with practical fit and finish. Key attributes: Black | Acetate | Prescription-ready (demo lenses) | Anti-reflective lens treatment | Monogram hinge for lightweight comfort | Demo lenses — prescription-ready | Supplied with case and cleaning cloth | Oversized square shape | Full-rim frame | Monogram detail on temples | Dimensions & fit: Lens width 54 mm | Bridge 19 mm | Temple length 145 mm | Medium size | Composition & care: Acetate | Wipe with a soft cloth. Store in the included case when not in use.