• Zero heel drop for a natural stance
  • Waterproof mid-season footwear

Shoe Size Guide

We want to make it easier for you to pick the right shoe size. Just measure your child’s feet and choose the size in the table that matches their foot length. Room for growth and movement is already included.

How to read the table

Each size covers a range of foot lengths in millimetres, so you can choose how much growth room you want. Movement room is always built in. For example, a range of 104–109 mm is the growth room for that size. If your child’s foot measures near the top of the range (like 109 mm), there’s no growth room left in that size. It will still fit, but you may want to choose the next size up.

Barefoot shoes need less fitting room than regular shoes, and this chart already accounts for that. If you choose a size based on your child’s foot length, you can be confident barefoot shoes will fit correctly.

Size recommendations are always a guide. Every child’s feet are different, and growth spurts can happen quickly.

Foot Length (mm) EU Size UK Size
104–109 18 2.5 / 3
110–113 19 3.5
114–119 20 4 / 4.5
120–126 21 5
127–132 22 5.5 / 6
133–139 23 7
140–147 24 7.5
148–154 25 8 / 8.5
155–161 26 9
162–168 27 9.5 / 10
169–174 28 10.5
175–181 29 11
182–188 30 11.5 / 12
189–194 31 12.5 / 13
195–201 32 13.5
202–208 33 1 / 1.5
209–214 34 2 / 2.5
215–221 35 3
222–229 36 3.5 / 4
230–235 37 4.5 / 5
236–242 38 6
243–249 39 6.5
250–255 40 7


Shoe Size
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Pairs well with

The Reima Ankka Barefoot Rain Boots in Green Clay are waterproof, lightweight, and designed to encourage a natural stance. With a zero heel drop and a wide last, these boots allow toes to spread and feet to move freely, promoting healthy foot development.

Crafted from vegan materials, they feature a flexible rubber outsole for excellent grip, making them perfect for puddle jumping, nature walks, or city strolls. The easy pull-on design and removable Happy Fit insoles simplify everyday wear, while reflective details add safety in low light. With comfort, functionality, and barefoot freedom, Ankka rain boots are a must-have for wet-weather adventures.

Key Features

  • Waterproof ankle-height kids’ wellies

  • Barefoot design: zero heel drop + wide toe box

  • Flexible rubber outsole for natural movement & grip

  • Vegan-friendly construction

  • Easy pull-on style for independent dressing

  • Textile lining for comfort

  • Removable insoles with Happy Fit sizing print

  • Reflective details for added visibility

Additional Info

Materials

Upper: Synthetic

Lining: Textile

Sole: Synthetic rubber

Removable EVA insoles with Happy Fit print

Laundry Care

Wash Care

Brush or wipe off dirt with a damp cloth

Remove insoles before cleaning

Air dry at room temperature

Do not machine wash

Do not tumble dry

Do not dry clean

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