Gore Running Wear Women's Air So Lady Shirt 100% Polyester/ WINDSTOPPERMEMBRANE/ 100% Polyester/ INSERT:91% Nylon/ 9% Elastane/ Imported 100% POLYESTER, WINDSTOPPERMEMBRANE,100% POLYESTER,INSERT:91% NYLON,9% ELASTANE,; Do not bleach. Do not tumble dry. Dry or steam iron low. Do not dryclean. WINDSTOPPER Soft Shell Stretch inserts for optimum freedom of movement; Small, zipped pocket on back; Flat-lock seams Shifted seams for less chafing CHN