Old Navy Wrap-Front Secret-Slim Underwire Plus-Size One-Piece Swimsuit The highlight of this Old Navy Wrap-Front Secret-Slim Underwire Plus-Size One-Piece Swimsuit ($54-$60, originally $60) is that the straps can be worn straight (like a tank) or unhooked and crossed in the back for an even more secure, supportive fit. Image Source: oldnavy.gap.com Old Navy Wrap-Front Secret-Slim Underwire Plus-Size One-Piece Swimsuit $54 from oldnavy.gap.com Buy Now