Saint Laurent SL 838 Sunglasses pair thick acetate frames with grey nylon lenses for everyday elegance and reliable sun protection. The design features engraved temples and metal hinge details for a refined finish. Key attributes: Black | Acetate | 100% UVA/UVB protection | Compatible with prescription lenses | Thick acetate frame | Saint Laurent engraved temples | Metal hinge details | Square silhouette | Dimensions & fit: Lens width: 49 mm / 1.9" | Bridge width: 23 mm / 0.9" | Temple length: 145 mm / 5.7" | Composition & care: Acetate | Bio Nylon | Wipe with a soft cloth