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).
About Open Toe Shoes:
Footwear with an opening at the front that exposes one or more of the toes.
About Walking:
Walking is a low impact and healthy form of exercise which requires a special type of shoe that can provide the proper support for feet during the exercise.