I think anybody who is more than slightly interested in late medieval dresses will know the Arnolfini dress - this voluminous green monster of a gown, fur-lined, worn with a headdress and looking, well, stunning.
The BBC series "A Stitch in Time" has also taken a closer look at this dress, re-creating it to see how it looks and moves:
The show does a nice exploration of different historical and modern techniques - including modern fabric production and dyeing with woad and weld.