Ermenegildo Zegna Eyeglasses. Color: Demo Lens. Shape: Rectangular. Lens Width: 55 mm. Lens Bridge: 17 mm. Arm Length: 145 mm. Frame Material: Plastic. Frame Color: Black. Rim Style: Full-Rim. UPC/EAN code: 889214033062. Ermenegildo Zegna Mens Black Rectangular Eyeglass Frames EZ51491 55.