Persol JEAN PO3310S sunglasses combine a 1970s‑inspired squared pilot shape with premium crystal lenses for clear vision and broad face coverage. The model emphasizes comfort and classic style for everyday sun protection. Key attributes: Black | Green | Acetate | Crystal (glass) lenses | 100% UV protection | Meflecto flexible temples | Prescription-ready | Squared 1970s‑inspired pilot shape | Full-rim frame | Medium-sized temples | Signature Persol arrow detail | Dimensions & fit: Lens width: 54 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 46 mm | Wide fit | High bridge fit | Composition & care: Acetate frame | Crystal lenses | Clean lenses with a microfiber cloth and mild lens cleaner. Wipe frames with a damp cloth and store in the protective case. Avoid prolonged exposure to heat.