Jacquard O-neck knit in a warm blend of organic cotton and organic wool.65% Organic Cotton 35% Organic Wool Ribbed hem and cuffs This knit is GOTS certified. GOTS is the world’s leading certification standard for organic textiles including both ecological and social criteria. GOTS covers every step in the production process from the fiber to the finished garment. This garment is organic, GOTS certified by Ecocert Greenlife, Lic.No. 151833.