An article in Archaeology, a journal of the Archaeology Institute of America notes the discovery last year of four lace-decorated linen bras dated between 1390 and 1485 – the earliest examples of the undergarment – in a fill space in the castle.
The discovery was made during the restoration of Lenberg Castle in Austria. “17 linen shirts, a complete pair and a fragment of men’s underwear, and four lace-decorated linen bras—which push back the earliest date for this type of women’s undergarment more than 500 years. Using both their archaeological context—the fill layer was likely created during a fifteenth-century renovation of the castle—and radiocarbon analysis of fibers from two of the bras, Beatrix Nutz of the University of Innsbruck dated the garments to between a.d. 1390 and 1485. There are numerous medieval written sources that describe bras as “breastbags,” but until this discovery no one had any idea what these garments looked like. According to Nutz, we also know from contemporary sources that women likely made the garments themselves and did not rely on male tailors.” – Archaeology
Another article about the discovery appeared in the August 2012 issue of BBC History Magazine, and in their website Historyextra.com.
You can find see the actual articles by clicking the links included above.