by JaoSming on Wed Dec 19, 2012 12:05 am
its, not.
each shoe you make shows up in the NBA 2K13/shoes folder next to your saves folder. the game loads those and has a limit of 50.
you can create your own shoe from scratch, textures, normal maps, etc. create a unique shoe_###_##.iff file and add it through a roster editor, but that is it.