Maternity size XS (Hatch size 0) Ivory color Worn twice It’s all in the name. This pregnancy + postpartum best-seller features a suuuuper soft ribbed knit fabric that’s both cozy yet breathable (hello, night sweats) and a nursing-friendly snap front placket for easy, on-the-go feeding. She’s classic, she’s functional, and (most importantly during postpartum) she’s machine-washable.