Furs are mainly divided into fox fur, goat fur, rabbit fur, mink fur and so on according to their types, and foxes are also divided into blue foxes, silver foxes and red foxes; Goats are divided into adult goats and juvenile goats, and rabbit hair is divided into grass yellow rabbits, rex rabbits, white haired rabbits, etc; Minks are divided into male and female. There are many kinds of leather and fur. Not all of them are listed here.

Upper leather is the raw material for making shoes. On the surface of shoes, there are many raw materials for upper leather, including real leather upper leather, PU upper leather, PVC upper leather, etc.

The smooth leather in leather is used in many leather products because of its good tensile strength, dirt resistance, wear resistance and good air permeability.