Prada Sunglasses. Series number: PR 02VS. Color code: 3980A7. Shape: Butterfly. Lens Width: 54 mm. Lens Bridge: 20 mm. Arm Length: 145 mm. 100% UV protection. Frame Material: Plastic. Frame Color: Opaline Spotted Brown/Black. Lenses Type: Grey Gradient. Rim Style: Full-Rim. UPC/EAN code: 8053672987515. Prada Grey Gradient Butterfly Ladies Sunglasses PR 02VS 3980A7 54.