MCM Sunglasses. Series number: MCM637S. Color code: 001. Shape: Cat Eye. Lens Width: 56 mm. Lens Bridge: 16 mm. Arm Length: 140 mm. 100% UV protection. Frame Material: Plastic;Metal. Frame Color: Black;Gold. Lenses Type: Grey Gradient. Rim Style: Full-Rim. UPC/EAN code: 8806195844816. MCM Grey Gradient Cat Eye Ladies Sunglasses MCM637S 001 56.