Board Thread:General Discussion/@comment-26185073-20160324013202/@comment-26397825-20160518015639

It could also be because the lighting and artstyle would have made it too hard to tell that it was meant to be empty and not just closed around a person, as there's no really defining edges on the white cloak. Having the red lining shows us that we are actually seeing the inside and there is no one inside it, instead of just having someone hiding in it.