The first thing you’ll notice here is the fabric: It’s smooth and totally seamless, designed to fit like a second skin—no digging and no awkward lines. Then there’s the cut. It has a plunging neckline and a sleek low back, which are balanced by wide, supportive straps. And here’s the fun part: It’s reversible. Solid indigo on one side, white-and-indigo stripes on the other.