The Ermenegildo Zegna 5150 optical frames feature a classic Pantos shape with a keyhole bridge for men. The frame is constructed of Acetate and features metal temples and Vicuna Signature colors on the temples. No detail of Zegna's designs are a result of chance or coincidence. Please note these eyeglasses are provided with Demo Lenses in order to demonstrate the final appearance of your frames. Please visit your local Optometrist or Optician to replace with optical quality lenses.