Persol PO3404S Sunglasses update the classic aviator with handmade acetate construction and crystal lenses for clear visual performance. The model pairs a refined pilot silhouette with Persol’s signature temple arrow and Italian craftsmanship. Key attributes: Black | Nero | Acetate | Crystal lenses for visual clarity | Compatible with prescription lenses | Monogram engraving available on temple arrow | Aviator silhouette | Acetate temples | Signature Supreme Arrow detail | Handmade in Italy | Dimensions & fit: Lens width: 57 mm | Bridge width: 16 mm | Temple length: 145 mm | Lens height: 25 mm | Frame size: 57-16 | One size only | Best for most faces | Face coverage: Standard | Composition & care: Acetate | Crystal (lenses) | Store in a dedicated hard or soft case. Keep in a dry place; avoid leaving on a car dashboard and exposure to temperatures outside 14°F–95°F. Wipe lenses with a soft lens cloth; for deep cleaning use neutral soap and water and dry with a soft cloth. Avoid solvents or alcohol. Do not place eyewear face down; handle by the temples.