Details, Size & Fit. This summer is all about bare shoulders and The Katie Off The Shoulder Blouse by Mossee has us inspired. Step into The cotton blouse and step into vacation mode. Ourmodel iswearing a size small top. She usually takes a Standard AU8 size, is 5’9” (175cm)tall and has a 61cmwaist. Length: 53cm Boxy fit 100% Cotton White shade Slim shoulder straps; off The shoulder cut. Cold machine wash. Low iron. Material: 100% Cotton.SKU: MO542AA31MIY.