The Ray-Ban RB4068 sunglasses are a classic square design with a wrapped shape delivering excellent eye coverage and helping to make a bold style statement. Crystal glass lenses give superior lens clarity compared to alternative materials. Metallic Ray-Ban icons are embedded in the temples at the hinge, serving as an authentic signature finish. A lightweight and flexible nylon frame construction provides great fitting comfort, making the RB4068 the perfect choice for long days in the sun.