Gore Running Wear Women's Sunlight Thermo Lady Tights 88% NYLON,12% ELASTANE,; Do not bleach. Do not tumble dry. Dry or steam iron low. Drycleaning any solvent except trichloroethylene. Thermoregulation Concealed back zip pocket; Adjustable elastic waistband with flat cord; Shifted seams for less chafing Flat-lock seams CHN