Flat Shoes are shoes in a wide variety of different types of styles that they have no heel serving to add height/elevation to the wearer. Flat shoes may have a very small heel height; however, generally this will be 1/2" or less.
About Metallic:
Metallic refers to a material that represents or resembles metals such as gold, silver, or pewter. Metallic articles are very shiny, and often embellished by metal materials.