NEW Suit Up Swimwear One-Piece Dress: Ultimate One-Piece Peace of Mind, sz 12, hygienic liner in place. One-piece swimsuits are known for their comfort and coverage, but one-piece swim dresses…well, they’re mostly frilly, flouncy nonsense. And nonsense doesn’t fly at Duluth. So we created a swim dress you can wear all day, in and out of the water, that keeps you confidently covered the entire time – our Suit Up Swimwear One-Piece Dress. It’s made from an eco-friendly nylon/spandex fabric that moves with you, holds its shape and color and has UPF 50 sun protection built right in. It looks like a summer dress on the outside, with wide straps that keep your gals uplifted and in place, but there’s a whole lot going on underneath. The all-in-one underlayer includes sewn-in soft cups and built-in shorts with a phone pocket, stay-put silicone grippers at the hems, and even a hidden call-of-nature panel! Suit Up and feel the difference a Duluth-made suit makes. All-in-one underlayer includes built-in shorts with pocket and silicone grippers to stop shifting Hidden Call-of-Nature Panel in the undershorts allows you to use the bathroom without removing the suit Built-in soft cups help to shape up and smooth out