If you happen to be one of those fans of crime shows, then you know what barristers wig look like. While it is no secret outside the courtroom that it is just a wig, the barristers hair wig is different from your common wig because of the following factors: 1  They are short and cropped-head and white in color.n this case, the hair piece is precisely what you need to give you that regal look of lawyers and judges. Or if youâre just planning to attend a costume party with a different look for this year, finding unique costume wigs shouldnât be that difficult.