78.5% Cotton 20% Polyester 1.5% . Close fit. Square neck with back zipper. Sleeveless. Midi length56” from highest point of shoulder on size 18Vent at back hem, waist tie detail. Denim stretch woven. Wash before wearing. Machine wash cold gentle cycle with like colors. Only non-chlorine bleach when needed. Tumble dry low. Cool iron as needed.