Size Guide:
11 US Little Kid ---- foot length 6.98" / 17.7cm ---- EU27
11.5 M US Little Kid ---- foot length 7.18" / 18.2cm ---- EU28
12 M US Little Kid ---- foot length 7.38" / 18.7cm ---- EU29
12.5 M US Little Kid ---- foot length 7.57" / 19.2cm ---- EU30
13 M US Little Kid ---- foot length 7.77" / 19.7cm ---- EU31
1 M US Little Kid ---- foot length 7.97" / 20.2cm ---- EU32
1.5 M US Little Kid ---- foot length 8.16" / 20.7cm ---- EU33
3 M US Little Kid ---- foot length 8.36" / 21.2cm ---- EU34
3.5 M US Big Kid ---- foot length 8.56" / 21.7cm ---- EU35
4 M US Big Kid ---- foot length 8.76" / 22.2cm ---- EU36
4.5 M US Big Kid ---- foot length 8.95" / 22.7cm ---- EU37
5.5 M US Big Kid ---- foot length 9.15" / 23.2cm ---- EU38
6 M US Big Kid ---- foot length 9.35" / 23.7cm ---- EU39
6.5 M US Big Kid ---- foot length 9.54" / 24.2cm --- EU40