Ray Ban Sunglasses. Series number - RB2180. Color code - 616613. Size - 49. Shape - Round. Lens Width - 49 mm. Lens Height - 47 mm. Lens Bridge - 21 mm. Arm Length - 145 mm. 100% UV Protection. Non-Polarized. Frame Material - Propionate. Frame Color - Light Brown. Lenses Type - Brown Gradient. Rim Style - Full-Rim. UPC/EAN code - 8053672358605. Ray Ban Brown Gradient Round Unisex Sunglasses RB2180 616613 49.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.