Rosie Assoulin's shirt is designed with an array of clear buttons that can be adjusted to completely change the shape - leave a few undone at the back to create a cutout and use the ones on the arms to secure the wide, cuffed sleeves. It's made from poplin and has drawstring ties to cinch and define the waist.
Model is 175cm/ 5'9" and is wearing a size Small
Shirt
Poplin
Gathered
Drawstring waist
Folded cuffs
Breast pocket
Button fastenings through front
Mid-weight, non-stretchy fabric
Dry clean
Size & Fit:
Designed for a slightly loose fit, use the adjustable drawstring to cinch in at the waist
Fits true to size, take your normal size