MCM Sunglasses. Series number: MCM637S. Color code: 404. Shape: Cat Eye. Lens Width: 56 mm. Lens Bridge: 16 mm. Arm Length: 140 mm. 100% UV protection. Frame Material: Plastic. Frame Color: Grey. Lenses Type: Blue. Rim Style: Full-Rim. UPC/EAN code: 8806195844830. MCM Blue Cat Eye Ladies Sunglasses MCM637S 404 56.