Last Rites are the last prayers and ministrations given to an individual of the faith, when possible, shortly before death. They may be administered to those awaiting execution, mortally injured, or terminally ill.
So.....if you're of the faith and awaiting execution, this is a perfect shirt for you.
If you're of the faith and mortally injured, same thing -- what size are you?
If you're of the faith and terminally ill, I'd wear the white one over the black one.
Overall, it's a pretty macabre interpretation of a shirt, I guess.