Ray Ban Sunglasses. Series Erika Classic. Series number - RB4171. Color code - 710/T5. Size - 54. Shape - Phantos. Lens Width - 54 mm. Lens Height - 46 mm. Lens Bridge - 18 mm. Arm Length - 145 mm. 100% UV protection. Polarized. Frame Material - Nylon. Frame Color - Havana, Gunmetal. Lenses Type - Polarized Brown Gradient. Rim Style - Full-Rim. UPC/EAN code - 8053672495744. Ray Ban Erika Classic Polarized Brown Gradient Phantos Ladies Sunglasses RB4171 710/T5 54.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.