| Binding Size | Mini Grom (Small) | Grom (Medium) | Smalls (Large) |
| Boot Size (US) | 7C-13C* | 1K-3K | 4K-7K |
| Boot Size (EU) | 24-30.5 | 31.5-34 | 35-40 |
| Boot Size (UK) | 6-12 | 13-2 | 3-6 |
| Mondo | 13.5-19.5 | 20-21 | 22-25 |
* C = Toddler Sizing
Combining Men's and Women's or Kids' Step On™ products will result in malfunction and could compromise your safety.
