Saint Laurent M33 Optical Frame pairs a soft squared acetate silhouette with the brand's signature external YSL logo on the hinge. Designed for everyday wear, it offers a classic structured look and is compatible with prescription lenses. Key attributes: Black | Transparent | Acetate | Full rim frame | Compatible with prescription (graduable) lenses | Square frame shape | External YSL Cassandre logo integrated at hinge | Full-rim acetate silhouette | Dimensions & fit: Lens width: 53 mm | Lens height: 43 mm | Bridge: 15 mm | Temple length: 140 mm | Composition & care: Acetate