Cap would probably be easier. You can buy his suits from online stores/ebay ( may need to get custom measurements and you have to make sure they understand what you mean) and then you would need to make a shield or buy one. Buying premade stuff will probably be pricey though.
Edit: I take...
Looking at it it looks great. Only when you look with intent to find flaws do you notice the errors.
I have no experience with the issue, but good luck!