Xero Shoes Size Chart
Kids Z-Trail
We recommend buying the Kids Z-Trail in your regular size.
The “12 Kids” is the smallest size, followed by 13 Kids, then Youth 1-4.
You can print the templates below to check the sizing of the sandals on your childs feet. Alternatively measure your childs feet and select the size accordingly.
| US Sizes | Foot Length | Euro Sizes | UK Sizes | Printable Template |
| 12 Kids | Up to 182mm | 30 | 11 | Size 12 Kids Template |
|
13 Kids |
Up to 191mm | 31 | 12 | Size 13 Kids Template |
| 1 Youth | Up to 199mm | 32 | 13 | Size 1 Youth Template |
| 2 Youth | Up to 207mm | 33 | 1 | Size 2 Youth Template |
| 3 Youth | Up to 216mm | 34 | 2 | Size 3 Youth Template |
| 4 Youth | Up to 224mm | 36 | 3 | Size 4 Youth Template |
Kids Prio Running Shoe
We recommend buying the Kids Prio in your regular size.
The “12 Kids” is the smallest size, followed by 13 Kids, then Youth 1-4.
| US Sizes | Innersole Length x Width | Euro Sizes | UK Sizes | JP Sizes |
| 12 Kids | 18 cm x 7.5 cm | 30 | 11 | 18.1 |
|
13 Kids |
19.5 cm x 7.5 cm | 31 | 12 | 19.1 |
| 1 Youth | 20 cm x 8 cm | 32 | 13 | 19.4 |
| 2 Youth | 21.5 cm x 8 cm | 33 | 1 | 20.5 |
| 3 Youth | 22.5 cm x 8.25 cm | 34 | 2 | 21.6 |
| 4 Youth | 23 cm x 8.5 cm | 36 | 3 | 22.2 |
Mens Z-Trail EV
We recommend ordering your usual US size. If your feet are narrow we recommend the Womens Z-Trail EV - Just go up one size. Eg. Mens 8 is Womens 9.
| US Sizes | Euro Sizes | UK Sizes | JP Sizes | Printable Template |
| 6 | 39 | 5 | 24 | Size 6 Mens Template |
| 7 | 40 | 6 | 25 | Size 7 Mens Template |
| 8 | 41 | 7 | 26 | Size 8 Mens Template |
| 9 | 42 | 8 | 27 | Size 9 Mens Template |
| 10 | 43 | 9 | 28 | Size 10 Mens Template |
| 11 | 44 | 10 | 29 | Size 11 Mens Template |
| 12 | 45 | 11 | 30 | Size 12 Mens Template |
| 13 | 46 | 12 | 31 | Size 13 Mens Template |
| 14 | 47 | 13 | 32 | Size 14 Mens Template |
| 15 | 48 | 14 | 33 | Size 15 Mens Template |