Amazon.com: Ray-Ban Unisex RB4171 Erika Round Sunglasses 。Ray Ban P Polarized Chameleon Blue Erika Sunglasses Made in Italy RB 4171 Rare. These sunglasses are in FAIR condition with signs of use on the lenses and frames. (See photos for condition) Includes Ray Ban hard case. Step up your eyewear game with these RARE legendary RB4171 Erika from Ray-Ban. Designed for effortless wear, this popular style pairs a smooth matte-finish front with slim metal temples for a balanced, contemporary look. Whether you\'re dressing up or keeping it casual, these shades transition seamlessly with your outfit. The oversized round silhouette delivers excellent eye coverage while providing full UV protection to help shield your eyes from harmful rays. The lightweight construction ensures lasting comfort throughout the day. Model Number: RB4171 Color Number: 41/1 Rare Style: Erika Classic Frame Material: Nylon Frame Color: Chameleon Blue/Brown Lens Color: Grey Gradient Shape: Phantos Size Lens-Bridge: 54 - 18 (Standard Size) Temple Length: 145mm Experience ultimate eye protection and vision clarity with Ray-Ban sunglasses.