THIS USER ASKED ๐Ÿ‘‡

This fad also involved boys wearing narrow “drainpipe” trousers and girls

THIS IS THE BEST ANSWER ๐Ÿ‘‡

The length you are describing is the length of Teddy Boy, also known as Ted. It was very popular in Britain during the 1950s after World War II and included boys wearing such trousers, as well as girls wearing drape jackets, pencil skirts, hobble skirts, long plaits, rolled jeans. , flat shoes, and all sorts of similar things