Ray-Ban Sunglasses | Rayban RB4127 £85, The Ray-Ban RB 4127 is a modern style sunglass, a large plastic classic style sunglass from Ray Ban. The RB4127 are stylish designer sunglasses by Ray Ban. The RB4127 has a full rim and is available in 10 colours, and one size. The Ray Ban RB4127 comes complete with Ray-Ban case and cloth.