Persol PO3384S Sunglasses blend Italian craftsmanship with a bold, squared acetate frame and crystal lenses. They are designed for substantial face coverage and reliable sun protection. Key attributes: Black | Acetate | Crystal lenses | 100% UV protection | Compatible with prescription lenses | Monogram engraving available | Includes original Persol case | Squared acetate frame | Supreme Arrow temple detail | Thick temples | Shiny finish | Dimensions & fit: Size 52: Lens width 52 mm, Bridge 22 mm, Temple 145 mm, Height 43.0 mm | Size 54: Lens width 54 mm, Bridge 22 mm, Temple 145 mm, Height 45.0 mm | Wide fit | High bridge fit | Larger lens front for greater face coverage | Composition & care: Acetate (frame) | Crystal (lenses) | Clean lenses with a microfiber cloth; avoid abrasive cleaners and strong chemicals. Store in the supplied protective case and avoid prolonged exposure to high temperatures.