Fox The Duncan Sunglasses - Still one of our more successful styles since its release, The Duncan is back with some fresh colors! The Large toric flush mounted lens with Plutonite technology shield from harmful UV Rays, HDO technology maximizes clarity throughout the periphereal viewing area while offering superior impact resistance. The high-end design is completed with an O-Matter frame featuring a Fox Head logo stamped onto a mounted metal plate and 5-barrel metal hinges.