Old Navy Sleeveless Cross-Back Rib-Knit Midi Shift Dress We'd go for an oatmeal Old Navy Sleeveless Cross-Back Rib-Knit Midi Shift Dress ($40) as our new neutral tank dress this summer. Image Source: oldnavy.gap.com Old Navy Sleeveless Cross-Back Rib-Knit Midi Shift Dress $40 from oldnavy.gap.com Buy Now