Saint Laurent SL 572 Sunglasses combine bold acetate frames with protective nylon lenses for a modern, geometric look. Key attributes: Cognac brown | Green | Acetate | 100% UVA/UVB protection | Nylon lenses | Engraved temples | Metal hinge detail | Squared acetate frames | Thick frames | Wide temples | Geometric square shape | Dimensions & fit: Lens: 50 mm / 2 in | Bridge: 22 mm / 0.9 in | Temple: 145 mm / 5.7 in | Composition & care: Acetate | Nylon | Resin | Clean lenses with a microfiber cloth and mild lens cleaner; store in the protective case; avoid exposure to high heat and harsh chemicals.