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Seven billion pairs of shoes a year, and counting The Chinese footwear industry: One more data point on the path to environmental destruction. By Andrew Leonard. Published January 30, ...

Military, Cloth and Silk Shoes. From the ruins of the Yin and Shang Dynasties (14th–12th centuries BC), archaeologists have unearthed, on independent occasions, a pair of leather shin guards and ...

This would indicate that, at the time written Chinese was being formulated, socks and shoes were both related to leather. In ancient times there was, in fact, no distinction between shoes and socks.