The partlets appear to all come to a triangular point below the bustline. Three of the partlets have a little "button" that hold the partlet closed, while the girl in yellow has her partlet open.
Giornea - On to the overdress
Camicia - Gamurra - Maniche - Fazzoletto - Giornea - Hair and Make-up - Cuffia - Stockings - Scarpette - Jewelry
Shirt - Underwear - Farsetto - Maniche - Calze - Giornea - Scarpette - Hat - Accessories