moon boot
noun1
A type of footwear made popular in the 1970s, with a thin rubber outsole and no distinct left or right feet.
- I looked around. Ari in a green jacket with four inches of fore arm showing and trousers at half mast, Penny and I in mismatched padded jackets and ski trousers which were way too long; and all wearing the silver moon boots that had been the rage in the early eighties.2016, Jeff Payne, Rider (page 142)