The rare knitted silks of the seventeenth have never been fully explained, but were probably informal wear. Today they could be purposeful as skiwear or underwear, a light sweater, or a chic bodice. Decorated to be seen, these knits are not represented in painting of the period, yet their role was clearly as a comfortable year-round clothing more consequential than any season's novelty.
The Metropolitan Museum of Art. "The Four Seasons," April 8, 1997–August 17, 1997.