[pjc50]

In the case of things like Elizabethan sumptuary laws ( https://www.bl.uk/collection-items/proclamation-against-exce... ), it was definitely an old money vs new money thing. Conspicuous consumption was disruptive to the social order, and tended to force an "arms race" of spending which led to a sort of "precarious upper class" situation who could afford it only by going into debt.

Does anyone have a well sourced "origin story" for why mixed clothes might have been prohibited in Judaism?