The recommended age does not necessarily apply to everyone.
The fit varies depending on the height, weight, and body type of the child
S (6-12m) : Chest: 14inch all around before elastic stretch, stretches good 5inch both ways.
Length: 18inches
M (12-24m) : Chest: 20nch all around before elastic stretch, stretches good 5inch both ways. Length: 19inches
