IRO Halsey Dress in Nude. Size 36/4. Poly blend with metallic thread. Partially lined. Hidden side zipper closure. Dolman sleeves. Surplice skirt. Lightweight, iridescent woven fabric. IRO-WD239. 21WWP33HALSEY. Launched in 2002 by French brothers Laurent and Arik Britton, IRO combines vintage-inspired prints with city style. Their collection features an ever-changing color palette and styles that range from wardrobe staples to on trend pieces.