Problems with the texture and model of mario

[MKXD]

Hello I am a bit new to this I need help because the model
mario and carries the his breastplate (pant that ...) because I want to remove
the top because I like a shirt but take
use as many I've seen in the gallery because that is my ugly
note the top of the bib if I leave I do not understand the image of the
texture ... (I just want to take the top and put a shirt)  :kdance: