Saint Laurent Monogram SL M40 Sunglasses pair a bold, rounded acetate frame with nylon lenses for full sun protection. The design balances high-impact style with practical 100% UVA/UVB protection for everyday wear. Key attributes: Black | Noir | Acetate | 100% UVA/UVB protection | Nylon lenses | YSL badge on the temples | Frames compatible with corrective lenses | Thick, rounded frame | Rounded silhouette | Acetate temples | Dimensions & fit: One size | Composition & care: 100% Acetate (frames/temples) | Nylon lenses | Clean with a soft cloth.