Ray-Ban RB4387 639980 56 Sunglasses | Shade Station。Modern Ray-Ban RB4387 sunglasses featuring a translucent gray frame with blue prescription lenses and a lightweight everyday design. Stylish square shape with a clean modern look. Model: RB4387 Color Code: 6399/80 Size: 56□18 145 Lens Category: 3N Prescription Lenses Installed Made in China Condition: Pre-owned with normal wear from use. Frames are in good overall condition. Prescription lenses are installed and may need to be replaced with your own prescription. Please review all photos carefully for cosmetic condition and details. Great unisex designer frames for everyday wear, driving, or replacing with custom lenses.