NWOT Satin Burgundy Long Sleeve Button Down Shirt

NWOT Satin burgundy Long Sleeve Button Down Shirt with attached belt and elastic back. I purchased this to wear as a regular top. Buttons are covered making me think this is a sleep shirt. I popped the tag and only tried her on. Size 16 All measurements taken flat Bust- 21.5" Waist- 19" Hips- 22" #satin #buttondown #tiewaist #sleepshirt