Ray-Ban Sunglasses | Rayban RB4148 | CARIBBEAN from £85, The Ray-Ban RB4148 is a twist on th eclassic Wayfarer. A great squarer style sunglass with wider side tapered. RB4148 CARIBBEAN is a plastic classic style sunglass from Ray Ban. The RB4148 has a full rim and is available in 11 colours, and one size. The Ray Ban RB4148 comes complete with Ray-Ban case and cloth.