NERD EYEWEAR COOL Retro Frame Clear Lens Eye Glasses BROWN The frame is made of plastic with metal hinge, it is very sturdy They are suitable for both men and women You can take the frame to your eye doctor to replace with prescription lens Available in glossy and matte finish. Colors: White, Brown, Black/White, Black/Orange, Black/Red, Black/Blue, Black/Gray Measurement: 53-16-145, Frame Width: 138mm, Lens Height: 34mm (approx.)