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Size Guide

HOW TO CHOOSE THE RIGHT SIZE

  1. Let the baby step inside a shoe box.
  2. Move the back of the baby's heel against the wall of the box.
  3. Gently press down on top of your baby’s foot to ensure the foot and the toes are flat (instead of curled up).
  4. Draw a line in front of the longest toe.
  5. Measure the length between the wall of the box and the line.
  6. Repeat the procedure for the other foot.
  7. One foot may be longer than the other, so make sure to use the measurement of the longer one.
  8. Consult our size chart below to find the right size.

    Examples:

    If the length of the foot is between 10 cm and 10.5 cm, we advise you to buy size 15/16.

    If the length of the foot is between 10.5 cm and 11.5 cm, we advise you to buy size 17/18.

    If the length of the foot is between 11.5 cm and 12.5 cm, we advise you to buy size 19/20.

    * The difference between the length of the insole and the length of the foot is the minimum space for the feet to move and grow freely. 

    FIRST STEP SHOES SIZE CONVERSION

     

    SIZE LENGTH OF FOOT (up to) LENGTH OF INSOLE
    EU UK US JP
    15/16 0.5 1 8.5 10.5cm
    4.13"
    11.2cm
    4.4"
    17/18 2 3 10.5 11.5cm
    4.53"
    12.2cm
    4.8"
    19/20 4 5 12.5 12.5cm
    4.92"
    13.2cm
    5.2"
    21/22 4.5 5.5 13.5 13.5cm
    5.32"
    14.2cm
    5.6"
    22 5 6 14 13.6cm
    5.4"
    14.6cm
    5.75"
    23 6 7 14.5 14.3cm
    5.6"
    15.3cm
    6.02"
    24 7 8 15 15cm
    5.9"
    15.8cm
    6.22"
    25 8 9 15.5 15.6cm
    6.1"
    16.5cm
    6.50"
    26 8.5 9.5 16 16.3cm
    6.4"
    17.1cm
    6.73"

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