Mycelium Materials Poised to Leave Conventional Leather Industry Hanging by a Thread These Adidas shoes are made from mushrooms. Yes, mushrooms. Called the Stan Smith Mylo, they use mycelium instead of animal leather. It's grown in a lab with renewable energy and turns into adidas unveils the stan smith mylo made with mushroom grown leather adidas Men's Mahomes Impact FLX Shoes (Large Sizes) BigShoes