Saint Laurent M143 Sunglasses combine an oversized acetate frame with versatile grey lenses for refined everyday wear. The model balances bold styling with practical UV protection. Key attributes: Brown | Havana | Acetate | UV protection (UVA/UVB) | Category 3 lenses | Non-polarized lenses | Includes case, cleaning cloth and authenticity certificate | Can be fitted with prescription lenses | Oversized square/rectangular silhouette | Monogram logo on temples | Full-rim acetate frame | Dimensions & fit: Lens width: 51 mm | Lens height: 45 mm | Bridge: 23 mm | Temple length: 145 mm | Oversized fit | Composition & care: Acetate frame | Bionylon lenses | Clean lenses with the included cloth and store sunglasses in the provided case. Avoid abrasive cleaners and excessive heat.