Classic Flats are Flats or a footwear style that is characterized by a flat bottom that is designed with sophisticated and clean styling to embody a classic traditional style. Classic Flats have no heels or very low heels. Classic Flats can be shoes, boots, or slip-ons.
About Heel:
A heel is the bottom, back part of a shoe or boot that provides elevation. The styling and construction of a heel may vary (i.e., stacked, stilletto, spiked, sculptured, kitten).