*Note: most kids wear the same size as per their age, if you're in between ages (eg 7, 9 etc) we recommend choosing the size up to be safe.
Kids Size 0
To Fit a 6-9 month old on average
Kids Size 2
To Fit a 2 yr old on average
Kids Size 4
To Fit a 4 yr old on average
Kids Size 6
To Fit Chest 64cm
Kids Size 8
To Fit Chest 68cm
Kids Size 10
To Fit Chest 72-74cm
Kids Size 12
To Fit Chest 76-80cm
Kids Size 14
To Fit Chest 80-86cm
Kids Size 16
To Fit Chest 86-90cm