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 Hospital Shoes:
Hospital Shoes are shoes worn by hospital professionals. These generally have slip resistant outsoles and are comfortable for long term wear. Hospital shoes may be called Nursing Shoes, Doctor Shoes or Emergency Room Shoes.
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.