Free shipping and free returns for U.S. and Canada customers on our women's swim collection. Introducing the open-back one-piece swimsuit: A little bit sporty, a little bit sexy, a lot flattering. Seriously, try it. Moderate coverage. Polyamide/elastane. Lined. Our swimsuits are machine washable, but we recommend hand washing as it helps keep the fabric and the shape of the suit looking newer, longer. Import. Online only.