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 Medical Clogs:
Medical Clogs are Clogs worn by medical professionals. Medical Clogs generally have slip resistant outsoles and are comfortable for long term wear. Medical Clogs may also be referred to as Nursing, or Nurse Clogs.
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.