Apparently its "ultra shiny" merino wool -
“We take enormous pleasure in dressing them for the world stage. They'll wear our Churchill suit, made from 100% Australian Merino wool - the finest natural fibre this country produces."
M.J. Bale extends partnership with Football Australia as...
I would also throw de Abreu into the conversation. Playing for Glory he probably flies under the radar a bit. His technical composure for such a young player is impressive.