Astrid One Piece SwimsuitDanish label, By Malene Birger, is an international premium luxury design brand, bringing collections that boast clean lines and plenty of sharp tailoring, with bold details that take centre stage. Strong graphics, contrasts and interesting silhouettes are part of a signature style designed to be sharp and modern. Self: 82% polyester 18% elastane Lining: 90% polyester 10% elastane. Machine wash. Unpadded cups. Back S hook closure. Square neckline.