Saint Laurent SL M148 Sunglasses pair a slim oval/cat‑eye silhouette with a polished acetate frame and grey-tinted lenses. Designed for everyday wear, they combine vintage-inspired style with reliable sun protection. Key attributes: Brown | Grey | Acetate | Category 3 lenses | UV protection | Includes case and cleaning cloth | Full-rim construction | Oval / cat-eye silhouette | Full-rim acetate frame | YSL logo on hinges | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 140 mm | Medium fit | Composition & care: Frame: 100% Acetate | Lenses: Nylon | Wipe lenses with a soft or microfiber cloth and store in the supplied case when not in use.