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How about polyurethane insoles?
Shoes made of this material are very good. Polyurethane is a newly developed high-grade synthetic leather. Because polyurethane has the advantages of wear resistance, cold resistance, air permeability, aging resistance, soft texture and beautiful appearance, shoes made of polyurethane also have these advantages.

It is made of nylon superfine fiber with structure and performance similar to bundle collagen fiber in natural leather, made into non-woven fabric with three-dimensional network structure, and then filled with polyurethane with excellent performance and open microporous structure for post-treatment.