Persol PO0649 119656 Sunglasses combine classic aviator lines with a transparent grey acetate frame and blue crystal lenses for reliable everyday sun protection and optical customization. Key attributes: Grey | Blue | Acetate | UV protection | Available with polarized or photochromic (Transitions) lens options | Prescription-ready | Includes original case | Aviator shape | Transparent grey acetate frame | Blue-tinted crystal lenses | Shiny finish | Dimensions & fit: Lens width (calibre): 54 mm, 56 mm | Bridge: 20 mm | Temple length: 140 mm, 145 mm | Lens height: 48 mm, 49 mm | Composition & care: Frame: Acetate | Lenses: Glass (crystal) | Clean lenses with a microfiber cloth; store in the supplied case; avoid abrasive cleaners and prolonged exposure to high heat.