`` Not quite -- a bit more sophisticated . '' 5,500-year-old leather shoe found in Armenian cave . The shoes were made of animal hide and covered with a layer of leather. In 2 years since shoe was found , leather has hardened .
5,500-year-old leather shoe found in Armenian cave . The shoes were made of animal hide and covered with a layer of leather. In 2 years since shoe was found , leather has hardened .