Saint Laurent SL M140 Sunglasses pair bold rectangular acetate frames with the brand’s Cassandre signature for a striking, everyday sun style. They deliver full UVA/UVB protection and are designed to accept prescription lenses for practical wear. Key attributes: Black | Nero | Acetate | 100% UVA/UVB protection | Frame compatible with prescription lenses | Nylon lenses | Rectangular shape | Thick acetate frames | Wide temples | Cassandre signature on the temples | Dimensions & fit: | Composition & care: Acetate | Nylon