Madewell Central open back button shirt in Linus plaid size XS

Madewell Central blue and white plaid split back button front blouse. Linus plaid. Pleating on the front top. Cuffed short sleeves. Split back to show undershirt or a little skin, if you're not wearing an undershirt. First two pics to demonstrate fit on a person. 100% cotton. Size XS but runs bigger. Measurements in pictures.