Approximate Measurements Laying Flat: 
Outer Jacket is a Mandarin Collar Style, with 3/4 Sleeves, Crinkle Siilk Buttons, Floral Art Design, with Slits at Hems and measures approx:
Length:24"
Armpit to Armpit: 20.5"

Included is also a separate matching Ivory Sleeveless Tank Top, Size Marked as M
Approx Measurements:
Length:21"
Armpit to Armpit: 20.1"