IRO . JEANS Ithos Top in Yellow. - size S (also in ) IRO . JEANS Ithos Top in Yellow. - size S (also in ) 100% linen. Hand wash cold. Intentional fading and color variation throughout. IROJ-WS80. 18SWM19ITHOS. Clothing was not enough for the French brothers Laurent and Arik Britton, but they had to conquer denim as well. Introducing, IRO.JEANS, for all your basic denim needs.