The four finalists will join the eight other international finalists who were chosen in Hong Kong and London.
They will go on to compete in the international finals that take place in February in London.
The prizes for men’s and women’s design and innovation will be awarded in early 2019.
The Woolmark Co. encourages designers who are interested in growing their business globally to apply.
This year’s event included an Innovation award.
Phillip Lim, Amber Valletta, Miroslava Duma and Livia Firth will be on the jury assigning the prizes on Jan. 9 in Florence.
The winner will also exemplify the most exciting approach to help reduce its social and environmental footprint.
The winners were announced at a lunch in Sydney.
The two U.S. winners will go up against the winners from five other regions.
The USA regional final took place at the NeueHouse Madison Square in New York.
David Laport and L’Homme Rouge won for the women’s wear and men’s wear categories, respectively.
The winners were announced during a lunch at Spring in London.
This year’s USA regional final will take place July 18 at NeueHouse Madison Square in New York.