Color: Dark Tortoise. Ray Ban - RB 2185 902/31. Model: RB 2185 902/31. Lens: These sunglasses have no lenses. They are perfect for putting in your own prescription or non-prescription lenses. You are looking for a number that looks like 55 [] 18 (Lens Width and Nose Bridge Width) or 55 [] 18 145 (Lens Width, Nose Bridge Width, and Temple Length).
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