Mantua, c. 1708, British, Metropolitan Museum of Art 129 The mantua is essentially a front-opening robe that's cinched at the waist with a sash. Mantua, c. 1708, British, Metropolitan Museum of Art. Post navigation Previous Previous post: SNARK WEEK: Back-Lacing Bonanza! Feel the loveCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.