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 ReimaTec Hyppii Barefoot Bootie in Cinnamon Brown is a customer favourite for little feet — designed to support natural movement while keeping kids dry in changing weather. These waterproof barefoot shoes feature a zero heel drop, wide toe box, and flexible sole, giving toddlers the freedom to move, balance, and grow naturally.

With a waterproof membrane laminated to the upper, Hyppii keeps feet dry through puddles and damp days. The hook-and-loop closure makes them easy to get on and off (a win for both kids and parents), while the soft elastic lining ensures all-day comfort.

✨ Store favourite for early walkers — these have become increasingly popular for their fit, flexibility, and ability to accommodate both narrow and wider feet. Back again this season due to demand.

Key Features

  • Barefoot design: zero heel drop for natural stance 
  • Wide last for proper toe splay and comfort 
  • Waterproof membrane laminated to upper 
  • Flexible sole for natural movement 
  • Lightweight rubber outsole with great grip 
  • Hook-and-loop closure for easy on/off 
  • Comfortable elastic lining 
  • Removable insoles with Happy Fit sizing guide 
  • Reflective details for visibility 
  • Vegan, PFAS-free, and PVC-free 

Materials

  • Upper: Textile, synthetic 
  • Lining: Textile 
  • Outsole: Flexible synthetic rubber 
  • Removable insoles with Happy Fit print (contains recycled material) 

Performance

  • Waterproof protection for fall and spring weather 
  • Barefoot design supports natural development 
  • Flexible sole for balance and movement 
  • Reflective details for visibility 
  • Lightweight and ideal for early walkers 

Sustainability

  • Vegan construction 
  • PFAS-free and PVC-free 
  • Insoles contain recycled materials 
  • Durable design for extended wear and hand-me-downs 

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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