IRO Marvina Shirt in White. - size L (also in ) IRO Marvina Shirt in White. - size L (also in ) 100% linen. Hand wash. Intentional holes allover. IRO-WS80. 15SWP19MARVINA. 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.