For a Tummy: Malia Mills Two-Piece
The cut on the tankini top is slightly longer, so you don’t need to worry that it will ride up (bonus: You can wear it off the beach, too). The bottom is made for curvy hips. Both nylon-and-Lycra, available in a variety of colors and prints.
To buy: Pucker Louisa top, from $195; It’s a Cinch bottom, from $135, maliamills.com.