Persol PO0202S 24/31 Sunglasses update the Senna Series with a square acetate frame and premium crystal lenses for reliable sun coverage. They pair Persol’s Meflecto flexible stem and Supreme Arrow detailing with a high-coverage front for comfortable everyday wear. Key attributes: Brown | Havana | Acetate | UV protection (category 3) | Non-polarized lenses | Includes protective case and microfiber cloth | Square full-rim frame | Supreme Arrow detail | Meflecto flexible stem | Acetate sweatband | Dimensions & fit: Lens size: 57 mm | Bridge size: 13 mm | Temple length: 140 mm | Weight: 42 g | Composition & care: Acetate | Crystal (glass) lenses | Store in the included case; wipe lenses with a soft microfiber cloth. For deep cleaning use neutral soap and water and dry with a clean soft cloth. Avoid solvents, alcohol and prolonged exposure to heat.