From Tommy Bahama, this dress features: Performance, stretch fabrication A-line silhouette Quarter-zip mock neckline  Sleeveless Pullover construction with partial zipper closure IslandZone® fabrication: moisture wicking, UPF 30, maximum mobility Approx. 35" back length Nylon/spandex Machine wash cold; like colors; gentle cycle; tumble dry low; cool iron Dry clean if necessary Imported.