16 though it would also fit 18 because of its draping fall. Generous arms and no buttons or ties. This is a nice material and doesn't crinkle easily, would be good to travel with. I'm clearing out my closet.
A lovely heavyweight viscose/poly blend draping fluid top from TAKING SHAPE ~. Wrap/cross front with internal tie with button waist tab with two settings ~. Angled hem across front and has 3/4 length sleeves with drawstring toggle at cuffs ~.