The smallest size in our range is a US 10K (perfect for 3-4 years) up to our largest size which is US3 Y (perfect for 7 to 8-year-olds)!
Keep in mind that our thongs should “fit like a glove” with very little space in front of the toes and behind the heels. The strap should also be comfortably tight (not too tight at all) to encourage a more natural walking pattern. When you first get your Archies Thongs, you will most likely need to stretch the toe pole and strap to get the perfect fit for your child.
The chart below is arranged from our smallest kids' size (10K) up to our largest kids' size (3Y).
| US | AUS/UK | EU | CM | APPROX AGES |
| 10K | 9 - 9.5 | 27 - 27.5 | 16 | 3 - 4 years |
| 11K | 10. - 10.5 | 28 - 28.5 | 17 | 4 - 5 years |
| 12K | 11 - 11.5 | 29.5 - 30 | 18 | 5 - 6 years |
| 13K | 12 - 12.5 | 31 - 31.5 | 19 | 6 - 7 years |
| 1Y | 13 - 13.5 | 32 - 32.5 | 20 | 7+ years |
| 2Y | 1 - 1.5 | 33.5 - 34 | 21 | 8+ years |
| 3Y | 2 - 2.5 | 34.5 - 35 | 22 | 9+ years |
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