Slip-on style shoes with an open back and a closed front that are generally casual and comfortable. The sole is very rigid and traditionally made from wood, but modern styles also feature cork, rubber, or plastic soles.
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).