IRO Doris Tank in Blush. - size L (also in ) IRO Doris Tank in Blush. - size L (also in ) Luxe linen is given a punker feel with IRO's Doris Tank. The natural fabrication is intentionally distressed throughout to aid in a laid-back feel that's completely put together.. 100% linen. Hand wash cold. Ribbed edges. Intentional holes throughout. IRO-WS145. 17SWM21DORIS. 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.