This is the oldest leather shoe ever found. It's 5,500 years old and extremely well-preserved.

Reconstruction of Otzi the Iceman. Photo by Thilo Parg CC BY SA 3.0

Ötzi’s shoe was significantly more sophisticated, comprising a bearskin base and deerskin side panels, pulled tight with a bark-string net. Dating just a few hundred years after the Areni-1 shoe, Ötzi’s shoe represents a significant leap forward in footwear design and technology.