IRO supplies a basic that?s not so basic. The Bacau Tee is crafted with soft to the touch linen fabric and cut-out design that creates an effortlessly cool finish.. 100% linen. Hand wash cold. Cut-out accents. Slub knit fabric. IRO-WS155. 17WWP19BACAU. 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.