"Shoes" is a symbol of the spiritual basis of the Will of God, knowledge of God's Commandments, through the fulfillment of which man achieves a life of righteousness and determines his attitude to everything that happens.  

"Shoes" is a symbol of spiritual support - worldview basis, ie knowledge of God's Covenants, guided by which a person protects, shields himself from committing sin, from contact with earthly, sinful demands of the flesh, helps to walk the thorny path of life.

Negative Meaning.

"Shoes" are short-lived, changeable religious, ideological, worldview bases - false teachings, pernicious ideologies, asserting on which a person determines and realizes his practical activity, his progress in life.