Saint Laurent Oval SL M161 Sunglasses pair a classic oval silhouette with the brand's Cassandre detailing. They provide full UVA/UVB protection and a frame that accepts prescription lenses. Key attributes: Black | Acetate | 100% UVA/UVB protection | Compatible with prescription lenses | Oval shape | CASSANDRE logo on temples | Composition & care: Acetate | Nylon