Lionel Messi football shirt.. This is the Newell&39;s Old Boys concept shirt for 2018-2019which is manufactured by Airo and is available in adult sizes S, M, L, XL, XXL, XXXL, XXXXL, XXXXXL and kids sizes small boys, medium boys, large boys, XL boys. Concept Kits are unofficial, supporter design jerseys which are not affiliated with the team or worn by the players#5XL#kids#male#Red#STANDARD:#STANDARD: