Old Navy Sunday Sleep Oversized Rib-Knit Sweatshirt There are plenty of shades of this lightweight Old Navy Sunday Sleep Oversized Rib-Knit Sweatshirt ($15, originally $25), so grab one when you're keeping plans loose (and pair with ribbed pajama pants). Image Source: oldnavy.gap.com Old Navy Sunday Sleep Oversized Rib-Knit Sweatshirt $15 from oldnavy.gap.com Buy Now