Persol PO3310S Sunglasses combine a 70s‑inspired squared pilot shape with Persol’s Barberini glass lenses for clear vision and a bold look. Distinct two‑toned temples and medium‑sized arms give these frames a standout, statement finish. Key attributes: Black | Nero | Acetate | Barberini premium glass lenses | 100% UV protection | Anti‑smudge and hydrophobic lens treatments | Meflecto flexible temples | Medium‑sized temples | Squared 70s‑inspired pilot shape | Two‑toned temples with arrow detail | Bold medium‑sized temples | Dimensions & fit: Lens width: 57 mm | Bridge: 18 mm | Temple length: 145 mm | Wide fitting | High bridge fit | Composition & care: Acetate | Crystal (lenses) | Store in the supplied case and avoid direct heat. Clean regularly with a soft lens cloth; for deep cleaning use a neutral soap and lukewarm water, then dry with the soft cloth. Avoid abrasive fabrics and placing frames face down. For adjustments or repairs, use Persol service.