Please refer to the size chart when you purchased: Age-------------Top Length-----------Chest---------Pants Length 0-6 Months-----12.60"/32cm--------18.90"/48cm--------15.35"/39cm 6-12 Months-----13.39"/34cm--------19.69"/50cm--------16.54"/42cm 12-18 Months----14.17"/36cm--------20.47"/52cm--------17.72"/45cm 18-24 Months---14.96"/38cm--------21.26"/54cm--------18.90"/48cm