Shop Old Navy one piece swimsuits in fun and classic styles designed to flatter every figure. Our womens swimsuits are great for the pool or the beach. The lovely palette of colors in our one piece swimwuit collection allows you to make a choice that complements your skin tone. We feature halter design one piece swimsuits with ties that wrap around the neck for a stunning look. One piece swimsuits are stylish with a timeless look that will have heads turning.