My son started attending a private school this year. They have a dress code which includes outerwear. The rule was it had to be a plain navy blue jacket or coat and must have the school’s patch on it. I already had a jacket my son LOVED and it was very warm and cozy (and happened to be navy blue) but the problem was an iron-on design on the front from the brand (The Children’s Place). So, I searched the internet and found the various options. Through trial and error, I was able to remove it and accomplish my goal.
Start by using a cotton ball soaked in rubbing alcohol. Rub the design and make sure it is soaked. In some cases, this alone will work. If it doesn’t, use a wire brush, or scouring pad and also rub on the design. You may have to do this a couple of times and wash it in between.
In this picture, you can see slight traces of the iron-on left, but after a few more washes, it came out completely.