2PCS SET: Old Navy Womens Tankini Top & Bottom Dri-Fit Surf Swimsuit Great Fabric: 80% nylon, 20% spandex; Hi-tech material for quick dry and comfortable wear. Super hot & sexy Old Navy swimsuit lets you feel comfortable and look great! Unpadded wireless top with adjustable tying strings that can be tied on your neck for an elegant look. Elastic waist with drawstrings tied at sides for adjustment.