MILLY Crinkle Cotton One Shoulder Cover Up in White. - size S (also in ) MILLY Crinkle Cotton One Shoulder Cover Up in White. - size S (also in ) Cotton blend. Hand wash cold. Unlined. Elastic neckline with draped ruffle overlay. MILL-WX119. 139 CC 013377. The MILLY collection epitomizes bold, advanced contemporary fashion with a feminine edge. Designer and founder Michelle Smith transforms classics by merging American sportswear silhouettes with distinctive Parisian atelier techniques. Smiths eye for impeccable detail, use of luxurious, cutting-edge fabrics and precise tailoring have made MILLY a cult favorite across the globe.