IRO Harwel Shacket in Purple. Size 36/4, 40/8, 34/2. Wool blend. Front button closure. Buttoned cuffs. Oversized fit. IRO-WO234. 21WWP100HARWEL. 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.