J. Jill periwinkle blue tunic length top

J. Jill light periwinkle blue tunic length top. Long sleeve, scoop neckline, seaming & draping details, high low hem. Lightweight cotton & modal blend. Marked an XS but seems like it would fit a small as well (dress form is about a 6). Measures (flat, unstretched, approximate): armpit to armpit: 18.5in, waist: 17.5in, hip: 18.5in, shoulder to hem: 28in front, 29.5in back, sleeve: 24.5in