The Ray-Ban Boyfriend 4147 Polarized sunglasses are a fashionable and bold statement with larger rounded square lenses in propionate plastic frames which offer maximum sun protection while embracing a chic Hollywood look. These larger sunglasses flatter most face shapes and are prescription friendly. It also comes with polarized lenses. Best Use: Streetwear/Driving, Lens Material: APX Plastic, Frame Material: Nylon, Polarized: Yes, Face Size: Large, Warranty: 1 Year, Lens Type: Polarized, Model Year: 2019, Product ID: 577701, Frame Shape: Square, Model Number: RB4147 601/58 56, GTIN: 0805289563983