Size Chart
3 M US Infant = Tag Size 0-3 Months insole length 10.5cm/4.13 inches,
4 M US Toddler = Tag Size 3-6 Months insole length 11.5cm/4.53 inches,
5.5 M US Toddler = Tag Size 6-12 Months insole length 12.5cm/4.92 inches,
6.5 M US Toddler = Tag Size 12-18 Months insole length 13.5cm/5.31 inches,
8 M US Toddler = Tag Size 18-24 Months insole length 14.5cm/5.71 inches,
Please do measure your baby foot length to choose the right size, the age just for reference.