Lucy Women's Crossback Tank 47% Polyester/41% Nylon/12% Spandex Imported Machine Wash Flattering neckline and cross back straps Built-in bra with cupcake inserts Zippered back stash pocket Chafe-free flat lock seams Lucy power is moisture-wicking, breathable and four-way stretch, fabric type is (dark heather) 47 percent polyester/41 percent tactel nylon/12 percent lycra spandex (light heather)46 percent supplex nylon/45 percent polyester/9 percent lycra spandex (solid/print dark) 87 percent supplex nylon/13 percent lycra spandex (spacedye) 88 percent supplex nylon/12 percent lycra spandex