Apparel & Accessories > Clothing > Shirts & Tops Clothing > Tops in stock G. Label Blau Button-Up Top in Ivory, Size 4: Recut for Core Collection in ivory silk, Blau is back and more elegant than ever. Fitwise, it’s on the boxier side, with modern touches like a buttonless placket, utility-inspired flap pockets, and drapey elbow-length sleeves. Tucked into a pair of paper-bag shorts or left unbuttoned over the Maas Slip Dress , this billowy button-up puts a polished slant on whatever you wear it with.100% silk Made in Italy.