Cardinal's robe is a normal priest's cassock but in red, usually with gold trim. Most Cardinals wear a skull cap rather than a miter for daily wear.

Here's a quick pic of the Imagination Gown for Mike (available in freestuff, and soon to be updated) with some quick P5 texturing. Sorry if I made him look unforgiving and a little evil, but after the Holy Mother Church called my relationship of almost 14 years "against the natural moral law", and commanded Catholic polititians to work against the basic human right of marrage, I got a little P.O.ed. They'd better start looking at the plank in their own eye.