Saint Laurent M157 Sunglasses blend a bold rectangular acetate frame with the brand's signature monogram hinge for a refined everyday sun accessory. Designed for a modern, structured look, they pair solid grey lenses with a classic havana finish. Key attributes: Brown | Havana | Acetate | Bio nylon lenses | Solid grey lenses | Comes with original case and cleaning cloth | Rectangular frame | Full-rim acetate construction | YSL monogram hinge detail | Composition & care: Frame: Acetate | Lenses: Bio nylon | Wipe lenses with a microfiber cloth. Store in the supplied case when not in use. Avoid contact with solvents and prolonged exposure to heat.