Use the size guide to facilitate your selection. The breast measure is the most important measure to choose size based on.
If your child is in the middle of c.56 / 62 and c.68 / 74 then you can write it as a comment in the message box at the end of your purchase, and we will adapt you dress so it becomes c.62 / 68 instead. Please indicate the baby's breast circumference, weight, current size and age there. The sizes are just right, not cramped but definitely not baggy. They are not intended for example. sweater underneath, in that case linen and preferably tights.