Insole measurements (manufacturer)

Size Insole length Ideal foot length Insole width
20 12.8 cm 11.6 – 12.2 cm 6.3 cm
21 13.6 cm 12.4 – 13.0 cm 6.4 cm
22 14.3 cm 13.1 – 13.6 cm 6.6 cm
23 14.9 cm 13.7 – 14.3 cm 6.8 cm
24 15.6 cm 14.4 – 15.0 cm 6.9 cm
25 16.2 cm 15.1 – 15.6 cm 7.0 cm
26 16.9 cm 15.7 – 16.2 cm 7.2 cm
27 17.5 cm 16.3 – 16.9 cm 7.4 cm
28 18.2 cm 17.0 – 17.5 cm 7.6 cm
29 18.8 cm 17.6 – 18.2 cm 7.7 cm
30 19.5 cm 18.3 – 18.8 cm 7.9 cm
31 20.1 cm 18.9 – 19.5 cm 8.0 cm
32 20.8 cm 19.6 – 20.1 cm 8.2 cm
33 21.4 cm 20.2 – 20.8 cm 8.4 cm

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

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