Persol PO3292S Sunglasses by Persol combine a square acetate frame with crystal sun lenses for clear UV protection and comfortable all-day wear. Key attributes: Black | Green | Acetate | 100% UVA/UVB protection | Crystal sun lenses for visual clarity | Meflecto flexible stem system for adaptive comfort | Engraveable temple arrow | Square frame | Keyhole bridge | Iconic arrow temple detail | Dimensions & fit: Lens width: 50 mm | Bridge width: 21 mm | Temple length: 145 mm | Best for most faces | Face coverage: Standard | Composition & care: Frame: Acetate | Lenses: Crystal | Store in a protective case. Clean lenses with a soft lens cloth or with neutral soap and water; avoid solvents, alcohol and abrasive fabrics. Do not expose to intense heat; hold by the temples when putting on or removing.