Beautifully soft, almost buttery! This fabric is a wonderful weight of 97% Organic Merino Wool Interlock with 3% Spandex fabric. This is the softest wool on the market. It is milled especially for Natures Fabrics. This product is certified lead free by Microbac labs. It is made with an organic and Oeko-Tex Standard 100 certified wool yarn. The Oeko-Tex Standard 100 is a globally uniform testing and certification system for all stages of textile production. This certification ensures that products are free from harmful substances. There is no finer certification than the Oeko-Tex Standard 100. Knit in the USA.