85% Polyester, 15% Spandex Imported Pull On closure Machine Wash Elastic Tight: Strengthen the elastic fabric, 360 degrees to wrap the skin, so that the muscles in a state of excitement, to avoid injury, cramps. Flat lock seams stitching - allows flexible mobility without chafing or skin irritation. Anti Odor & Anti Itch Material - Keeps you dry and comfortable even with longer use.