Old Navy Rib-Knit Shelf-Bra Pajama Tank Top We love that there's a built-in bra in this slim-fitting Old Navy Rib-Knit Shelf-Bra Pajama Tank Top ($12, originally $17) for extra comfort and support. Image Source: oldnavy.gap.com Old Navy Rib-Knit Shelf-Bra Pajama Tank Top $12 from oldnavy.gap.com Buy Now