Insole measurements (manufacturer)

Size Insole length Ideal foot length Insole width
20 13.1 cm 11.9 – 12.3 cm 5.9 cm
21 13.5 cm 12.4 – 12.8 cm 6.0 cm
22 14.3 cm 13.0 – 13.5 cm 6.2 cm
23 14.8 cm 13.6 – 14.0 cm 6.4 cm
24 15.5 cm 14.1 – 14.7 cm 6.5 cm
25 16.2 cm 14.9 – 15.6 cm 6.6 cm
26 16.9 cm 15.7 – 16.2 cm 6.7 cm
27 17.5 cm 16.3 – 16.8 cm 6.8 cm
28 18.1 cm 16.9 – 17.4 cm 7.0 cm
29 18.7 cm 17.5 – 18.1 cm 7.4 cm
30 19.4 cm 18.2 – 18.8 cm 7.6 cm
31 20.1 cm 18.9 – 19.4 cm 7.7 cm
32 20.7 cm 19.5 – 20.1 cm 7.9 cm
33 21.4 cm 20.2 – 20.8 cm 8.0 cm

Our recommendation for children's feet: When purchasing, allow for 1.2–1.7 cm of extra space beyond the foot length. This ensures the foot has enough room to roll and the shoe will last your child a few months longer before the next size is needed. The values given in the "Ideal foot length" column are based on KOEL's wearing recommendation of 0.6–1.2 cm of extra space – i.e., how the shoe should fit when first put on. Since children's feet grow quickly, our purchase recommendation already includes a growth buffer.

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