Experience the ideal blend of feminine style and comfort with the Ray-Ban RB4171F Erika sunglasses for women. The structure of these alternate fit shades makes them a must-have accessory if you have high cheekbones or a wide-set nose bridge. The Ray-Ban RB4171F alternate fit Erika sunglasses consist of propionate, a nylon-based material that's hypoallergenic for your comfort and durable for long-term wear. Complement your contemporary look with these rounded frames and an on-trend keyhole bridge.