MILLY Minis Uptown Girl Sweatshirt. MILLY exclusive easy crew neck pullover featuring 3D text. Unlined. 54% Polyester 46% Cotton. This trendy girls sweatshirt is perfect for the mini with attitude. Pair with a skirt and tights to school or with jeans for weekend fun. Either way, this is one look she will love. Hand wash cold, lay flat to dry.