Ray-Ban 4171 Erika Black, Gunmetal, Blue Prescription 。The Ray-Ban RB4171 Erika sunglasses feature a flattering phantos silhouette with a lightweight injected frame in polished transparent blue. Paired with blue gradient lenses, this modern design offers standard face coverage and a comfortable high-bridge fit. A fresh, versatile unisex style perfect for everyday wear. Condition New with tags. Details & Features Brand: Ray-Ban Model: RB4171 Erika 6515/4L Frame Shape: Phantos Frame Color: Polished Transparent Blue Frame Material: Injected Temple Color: Transparent Blue Lens Color: Blue Gradient Lens Treatment: Gradient Face Coverage: Standard Bridge Fit: High bridge fit Measurements Lens Width: 54mm Bridge: 18mm Lens Height: 46mm Temple Length: 145mm Style Tip Lightweight and eye-catching—perfect for casual outfits, travel, and warm-weather looks.