down-at-heel

/D AW1 N AE0 T IY0 L/
adjective
  1. 1

    (of footwear, hyphenated when used attributively) In poor condition, especially due to having worn heels; worn-out, shabby.

  2. 2

    (by extension, hyphenated when used attributively) Shabbily dressed, slovenly; impoverished; shabby, dilapidated.

Source: https://en.wiktionary.org/wiki/down%20at%20heel, https://en.wiktionary.org/wiki/down-at-heel