2 PCS SET Aria Womens Gorgeous Polar Fleece Pajama Top & Pants Set 6% spandex 2 PCS SET Womens Aria Gorgeous Polar Fleece Pajama Top & Pants Set Very high quality fabric: 94% polar fleece micro-polyester, 6% spandex; Machine washable. Great top features long sleeves and V-neck. Fabric covered elastic waistband with drawstrings for added comfort.