Baby Boy Girl LED Lighting Breathable Mesh Running Shoes Size 21-30

Upper Material: Mesh (Air mesh)
Origin: CN(Origin)
Feature: Breathable
Feature: Anti-Slippery
Gender: Unisex
Item Type: LED Shoes
Outsole Material: Rubber
Insole Material: EVA
Fit: Fits true to size, take your normal size
Closure Type: Hook & Loop
Lining Material: Cotton Fabric

Measure foot length in cms ,add 1cm to it (this will be the insole length)and pick the US shoe size that corresponds to that measurement 

Refer to the last picture for selecting your shoe size 

The first row shows the US Size

The second row shows the European Size

The third row shows the insole measurement in cms.