Due to different measurement methods, slight size deviations may occur; it is recommended to select size based on actual foot measurements.
For babies with wider feet or higher insteps, choosing one size larger is advised.
Since babies have delicate skin, it is recommended to wear socks for one week before using the shoes.
Additional details
Foot length measurement method
Place heel against a wall, mark the longest toe position on the floor, and measure the distance from the wall to the mark with the foot flat and straight.