Saint Laurent SL 596 Dune OPT is a pilot-style acetate optical frame designed for everyday prescription wear. The polished black finish and classic aviator silhouette deliver a refined, wearable look. Key attributes: Black | Acetate | Compatible with prescription lenses | Clear demo lenses | Removable demo lenses for prescription fitting | Full-rim frame | Pilot (aviator) silhouette | Polished acetate finish | Dimensions & fit: Lens width: 58 mm | Bridge width: 14 mm | Temple length: 145 mm | One size | Composition & care: Acetate | Wipe lenses with a microfiber cloth; clean frame with a damp cloth. Avoid harsh chemicals and high heat.