Advice on finding Union Tuxedos - Use Decidio’s directory of Union tuxedo rental and formal wear shops when searching for the best tuxedos in your area. When researching the different styles of tuxedos, try to determine the color tux you want and if you have a preference between a single-breasted or double-breasted jacket. Don’t worry, all reputable Union tuxedo rental shops offer the complimentary service of measuring someone, even if you are renting your tuxedo somewhere else. Many Union tuxedo rental shops also offer discounts for wedding parties, so don’t forget to ask!