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 62cm/24nches all around, total length is 42cm
M (12-24m) : width of the body is 66cm/26inches all around, total length is 46cm
L (24-36m) : width of the body is 70cm/28inches, total length is 50cm
Baby/kid age is an estimation of fit, not all babies/kids are of the same size, so please keep in mind dimensions of clothings, rather than age groups for a more accurate fitting
