My favorite fleece sweats that I have worn from 1 day postpartum to 1 year postpartum. They are SO stretchy, held up amazing and no piling despite being worn and washed multiple times a week. Sweatpants: XS Zipup: S (though I could have sized down) White Tank: M comfy sweatpants sweatsuit aerie freepeople tank layeringtank zipup croptop tinytags sahm heathergrey postpartum babymusthaves pregnancy stretchy brumate LTKSaleAlert LTKFallSale LTKFindsUnder100