| See Kai Run Sizing Guide This chart has acommodated for growing room. If the foot measurement lands in between, order a size up. | ||
| First Walkers, Toddlers and Big Kids | ||
| If Your Foot Length Is | You Should Buy | |
| CM | Inches | US Size |
|---|---|---|
| 10.5cm | 4 1/8" | 3 |
| 10.9cm | 4 3/8" | 3.5 |
| 11.3cm | 4 1/2" | 4 |
| 11.7cm | 4 5/8" | 4.5 |
| 12.1cm | 4 3/4" | 5 |
| 12.5cm | 5" | 5.5 |
| 12.9cm | 5 1/8" | 6 |
| 13.4cm | 5 1/4" | 6.5 |
| 13.8cm | 5 1/2" | 7 |
| 14.2cm | 5 5/8" | 7.5 |
| 14.6cm | 5 3/4" | 8 |
| 15.1cm | 6" | 8.5 |
| 15.5cm | 6 1/8" | 9 |
| 15.8cm | 6 1/4" | 9.5 |
| 16.2cm | 6 3/8" | 10 |
| 16.6cm | 6 1/2" | 10.5 |
| 17.1cm | 6 3/4" | 11 |
| 17.5cm | 6 7/8" | 11.5 |
| 17.9cm | 7" | 12 |
| 18.3cm | 7 1/4" | 12.5 |
| 18.7cm | 7 3/8" | 13 |
| 19.1cm | 7 1/2" | 13.5 |
| 19.6cm | 7 3/4" | 1Y |
| 20cm | 7 7/8" | 1.5Y |
| 20.4cm | 8" | 2Y |
| 20.9cm | 8 1/4" | 2.5Y |
| 21.3cm | 8 3/8" | 3Y |
| 21.7cm | 8 1/2" | 3.5Y |
| 22.1cm | 8 5/8" | 4Y |
