100% Polyester. Shell fabric does not provide stretch. Lining fabric provides stretch. Elasticized waist provides approximately 8 inches of stretch. Elasticized bust provides approximately 6.5 inches of stretch. Length measurement taken at front center hem. Back center hem runs approximately 11.5 inches longer than front. Hand wash cold. Do not bleach. Hang or line dry. Lined through thigh. Made in the United States.