IRO Thomas Jacket in Black. - size 40 (also in 32, 34, 36, 38) IRO Thomas Jacket in Black. - size 40 (also in 32, 34, 36, 38) Self: 99% cotton 1% elastane Pocket Bag: 100% cotton. Dry clean recommended. Front button closure. Buttoned cuffs. 4-pocket styling. Midweight denim with studded trim. IRO-WO299. 25WWM18THOMAS. 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.