Saint Laurent SL M97 001 Optical Frame pairs an oversized acetate silhouette with the signature YSL monogram on the temple hinge. Built for bold everyday wear, it suits both prescription and non-prescription lens options. Key attributes: Black | Acetate | Durable acetate construction | Prescription lens compatible | Full-rim frame | Acetate temples | Hinged temples | Oversized butterfly/rectangle shape | YSL monogram on temple hinge | Tapered arms | Beveled front | Dimensions & fit: Lens width: 54 mm | Bridge width: 19 mm | Temple length: 140 mm | Lens height: 49 mm | Oversized fit | Standard frame size: 54-19-140 | Composition & care: Acetate | Clean lenses with a microfiber cloth; store in supplied case; avoid exposure to heat and harsh chemicals.