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Very soft. The description says "other fibers" whatever that means. I looked on the Billabong site and it's called the cozy up hoodie. It's 79% polyester, 18% rayon, and 3% elastin. It's very soft and really nice quality like you'd expect from Billabong. I'm usually an xs but I got the medium so it would be loose. I'm 5' 2", 115lbs. The medium doesnt look like it's too big for me just looks comfy. I wish the sellers would do a small amount of research to have a better description of the products. It took me 2 minutes to find the details on the internet. Some people might not want to buy something made of "other fibers" ..