I see, that's unfortunate. Unfortunately, you can only copy outdoor to outdoor and indoor to indoor. Out of curiosity, in what way are they different? If it's a color difference, you might be able to replicate it by hand. The method I use when I have something I want to copy to multiple different characters is to pull up Notepad or similar text editing software, most operating systems have one built in, and then type the values of each color slider. Then, when I go to the new character, I put the same type of shoe on the character, then I look at the notes I took in the text file and put them in by hand. This produces an identical result to the original that I wanted to copy and should also work in the case of copying from one slot on a character to another slot on the same character if it is a color issue. This method also works with size adjustments on things as well.