Old Navy Christmas PJ's, Shirt Size S, Pants Size M (fit like a S)

Old Navy brand, forest green, Christmas ornaments themed matching pajama set. Shirt is a size S. Pants are a M, (but fit like a small--waist is 27" around relaxed, leg is 36" long). Relatively lightweight fabric. Pants are leggings style (i.e. not loose-fitting, it does have some stretch). 100% cotton. Machine wash cold, gentle cycle. Never worn.