Persol Guido is a handmade Italian acetate sunglass model featuring crystal lenses and Persol’s comfort-focused Meflecto stems. It’s designed for reliable visual clarity and everyday sunwear. Key attributes: Black | Green | Acetate | Crystal lenses for visual clarity | Lenses designed to provide protection | Meflecto flexible stem system for comfort | Engravable temple arrow | Iconic Arrow temple detail | Handmade Italian finish | Dimensions & fit: 59-20 | Best for wide faces | Composition & care: Acetate | Crystal | Store in a hard or soft case to avoid scratches. Do not leave on a car dashboard; keep dry and between 14°F and 95°F.