wear in

wear in

To cause an article of clothing to stretch and become more comfortable through continuous use. A noun or pronoun can be used between "wear" and "in." I know the shoes are stiff right now, but once you wear them in a bit they'll feel much better. I hate wearing suits that haven't been worn in.
See also: wear
Farlex Dictionary of Idioms.

wear in

v.
To loosen or soften some new clothing by wearing it: That sweater will feel better after you wear it in.
See also: wear
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • adapt (something) to (something)
  • adapt to
  • angle
  • angling
  • not do (someone or oneself) any favors
  • involve with
  • involve with (someone or something)
  • involved with
  • arrange for
  • arrange some music for
References in periodicals archive
Fetish in Emotional, $6 That perfect purple-y/bronze-y/shimmery shade to wear in winter.