The website claims the sweaters are 100% Icelandic wool. The one that I bought for almost $200 which gave me a huge rash when I tried it on. I'm not allergic to anything so I took a more careful look at the sweater. It turns out the sweater was made in China. I had it checked it out and it turns out it wasn't the 100% Icelandic wool I was promised. It wasn't even wool. It was 100% recycled polyester which is perhaps the most unclean materials. Icewear should be transparent in where they make their products. I don't want to spend $200 for a sweater made in Chinese sweatshop from cheap materials, that is an insult. If you want to outsource, do so in a country that is known for and where you can control the quality assurance process. China is not one of those countries. I threw the sweater away because I don't want other people to get poisoned the same way I was.