96% viscose 4% elastane. Made in Portugal. Dry clean only. Asymmetrical sleeves. Lightweight flowy crepe fabric. IRO-WS265. 22WWP16PRISCIE. 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.