The British designer used the new vegan material Mylo from the biofabrication startup Bolt Threads, made from mycelium, mushroom roots, in two garments, featured in Vogue magazine three days ago.
Read MoreStella McCartney's bustier and pants in Mylo vegan alter-leather by Bolt Thread, unveiled in Vogue magazine, March 17, 2021 (© Stella McCartney)