Old Navy Maternity Side-Panel O.G. Straight Jean Overalls Wear turtlenecks, tees, or even a light sweater under these Old Navy Maternity Side-Panel O.G. Straight Jean Overalls ($42, originally $45). Image Source: oldnavy.gap.com Old Navy Maternity Side-Panel O.G. Straight Jean Overalls $42 from oldnavy.gap.com Buy Now