Saint Laurent M143 Sunglasses pair a square black acetate frame with black polyamide lenses and the signature YSL hinge detail for a refined everyday look. Key attributes: Black | Acetate | 100% UVA/UVB protection | Frames compatible with corrective lenses | Square frame | Full-rim front | Black lenses | YSL monogram detail at hinge | Temples engraved with Saint Laurent Paris | Dimensions & fit: Lens width: 51 mm | Bridge: 23 mm | Temple: 145 mm | Composition & care: Acetate | Polyamide