This silk suit was work by George Washington on the day of his inaguration, 04/30/1789. While not work for the inaguration ceremony itself, it was worn at another time during the day. General measurements include 47″ (coat), 30″ (vest), and 27″ (breeches). For source and more details, click here.
Image from: http://www.cr.nps.gov/museum/exhibits/revwar/image_gal/morrimg/suitGW.html