70% Mongolian Wool 30% Viscose Made in Mongolia Uses high-quality Mongolian wool. Warm and extremely warm leg warmers Made by Tod, a Mongolian company In Mongolia, where temperatures reach minus 40 degrees, these are worn layered inside boots. They are very warm and fit comfortably. They don't slip down even when worn up to the knees, so they are warm even when layered over tights with a long skirt. Recently, personal trainers and ballerinas have also been purchasing them(^^) We purchase them directly in Mongolia.