MILLY Cashmere Puff Sleeve Sweater in Rose. - size XS (also in L) MILLY Cashmere Puff Sleeve Sweater in Rose. - size XS (also in L) Cashmere blend. Dry clean only. Rib knit fabric. Foldover neckline. Puff sleeve detail. Imported. MILL-WK120. 990 CK 062411. 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.