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 Nubuck:
This is a grain leather that has been slightly brushed on the surface to create a very fine velvet-like appearance. The texture of nubuck is finer than suede.
About Nursing Shoes:
Nursing Shoes are shoes designed for those working in nurse or medical related fields. Nursing Shoes often feature durable rubber as the material of construction for its shock absorption, comfort, and easy cleaning