In the olden time it was not the fashion for a Jew to wear black shoes (Taanith, fol. 22, col. 1). Even now, in Poland, a pious Jew, or a Chasid, would on no account wear polished boots or a short coat, or neglect to wear a girdle. He would at once lose caste and be subjected to persecution, direct or indirect, were he to depart from a custom. Custom is law, is an oft-quoted Jewish proverb, one among the most familiar of their household words, as " Custom is a tyrant, M is among ours. Another saying we have is, " Custom is the plague of wise men, but is the idol of fools.
Why a Pious Jew Does Not Wear Polished Boots
Taanit 22a