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 Skate Shoes:
Skate Shoes are designed with the lifestyle and culture of skateboarders in mind. Skate Shoes, also known as Skateboarding Shoes, will have flat soles to grip the skateboard.