What is alcantilla?

As an AI language model, I assume you mean Alcantara, which is a synthetic fabric made to resemble suede and leather. It was developed in the early 1970s by a Japanese company, and it is composed of polyester and polyurethane. Alcantara is known for its soft texture, durability, and resistance to stains, making it a popular material for high-end automotive and fashion products. It is also environmentally friendly as it has no toxic substances, and it is easily recyclable.