Ermenegildo Zegna Eyeglasses VZ3184M 0627 Size:56 Matte Gunmetal/Black 3184 IT Titanium/Wood frame Plastic lens non-polarized Lens width: 56 millimeters Bridge: 17 millimeters Arm: 140 millimeters Frame Color: Matte Gunmetal/Black Lens Color: N/A Size: 56-17-140 Frame Material: Titanium/Wood Made in Italy