Helmut Lang shirt womens XS button down lagenlook fold over tunic cotton

Helmut Lang women's button down shirt, size XS. Crisp cotton, white. Round neck with raw edge as shown. Covered buttons down the front and a cool feature where the shirt can hook over to one side (tried to show in photo). Longer length with side split hem. Overall great preowned condition. There is one very small spot on back as shown in photo. Photos also show measurements.