Saint Laurent SL M115 Sunglasses combine a narrow, cat-eye–inspired acetate frame with gradient grey lenses for a refined everyday look. The model is marked by the YSL monogram on the hinge for a subtle designer detail. Key attributes: Black | Grey | Acetate | Gradient lenses | Prescription-compatible | Full-rim frame | Cat-eye inspired narrow shape | YSL monogram logo on hinge | Dimensions & fit: 54-20-140 | Narrow fit | Composition & care: Acetate frame | Nylon lenses | Clean lenses with a microfiber cloth; store in the protective case when not in use; avoid abrasive cleaners and high temperatures.