Union Binding Size Chart
Mens Bindings
| Size | XS | S | M | L | XL |
| US Mens Boot Size | 5.5 | 5.5-7.5 | 8.0-10.0 | 10.5-13.0 | 13.0-15.0 |
| US Womens Boot Size | 4.0-6.5 | 6.5-8.5 | 9.0-11.0 | - | - |
| US Kids Boot Size | 3K-5.5 | 5.5+ | - | - | - |
| UK Boot Size | 2.0-4.5 | 4.5-6.5 | 7.0-9.0 | 9.5-12.0 | 12.0-14.0 |
| Euro Boot Size | 34.0-37.0 | 37.0-40.5 | 41.0-43.0 | 43.5-46.0 | 46.0-48.0 |
| Mondo Boot Size | 21.0-23.5 | 23.5-25.5 | 26.0-28.0 | 28.5-31.0 | 31.0-33.0 |
Womens Bindings
| Size | S | M | L |
|
US Mens Boot Size
|
5.5
|
5.5-7.5
|
8.0-10.0
|
|
US Womens Boot Size
|
4.0-6.5
|
6.5-8.5
|
9.0-11.0
|
|
US Kids Boot Size
|
3K-5.5
|
5.5+
|
-
|
|
UK Boot Size
|
2.0-4.5
|
4.5-6.5
|
7.0-9.0
|
|
Euro Boot Size
|
34.0-37.0
|
37.0-40.5
|
41.0-43.0
|
|
Mondo Boot Size
|
21.0-23.5
|
23.5-25.5
|
26.0-28.0
|
Kids Bindings
| Size | Mini | S | M |
| US Mens Boot Size | - | 5.5 | 5.5-7.5 |
| US Womens Boot Size | 4.0 | 4.0-6.5 | 6.5-8.5 |
| US Kids Boot Size | 11C-3K | 3K-5.5 | 5.5+ |
| UK Boot Size | 10K-2.0 | 2.0-4.5 | 4.5-6.5 |
| Euro Boot Size | 28.0-34.0 | 34.0-37.0 | 37.0-40.5 |
| Mondo Boot Size | 17.5-21.0 | 21.0-23.5 | 23.5-25.5 |