In Europe, baby & kids clothing sizes are equivalent to the infant's height in centimeters, so the best way to find out the size is always to measure the little one.
With caps and hats it should be the same but now by measuring the contour of the head, so here also size=measure.
Therefore, if in addition we make an estimation between sizes and ages, the result is what is shown in this table:
We must also explain that some manufacturers do not adhere exactly to this table, and therefore their clothes are sometimes slightly larger or smaller. For these cases, we prefer to specify how they are in the section 'size', like this:
If you still have doubts, please contact us (phone, email or social media) and we will try to help you!