The Wigwam Diabetic Walker Sock is a non-binding, ultralight crew style made with Dri-release®, an engineered blend of man-made and natural fibers that keeps feet dry. Dri-release® is soft, dries super fast, has everlasting wicking and FreshGuard® odor control. These socks are accepted by the American and Canadian Podiatric Medical Association. Thanks for supporting the All American Brand - Wigwam.65% Dri-release® Tencel® (85% polyester, 15% cotton), 35% stretch nylon..Made in USA..