GS Sizing Chart
| GS US (Y) | GS UK | GS EU | Foot Length (cm) |
|---|---|---|---|
| 4.0Y | 3.5 | 36 | 23.0 |
| 4.5Y | 4.0 | 36.5 | 23.5 |
| 5.0Y | 4.5 | 37.5 | 23.5 |
| 5.5Y | 5.0 | 38 | 24.0 |
| 6.0Y | 5.5 | 38.5 | 24.0 |
| 6.5Y | 6.0 | 39 | 24.5 |
| GS US (Y) | GS UK | GS EU | Foot Length (cm) |
|---|---|---|---|
| 4.0Y | 3.5 | 36 | 23.0 |
| 4.5Y | 4.0 | 36.5 | 23.5 |
| 5.0Y | 4.5 | 37.5 | 23.5 |
| 5.5Y | 5.0 | 38 | 24.0 |
| 6.0Y | 5.5 | 38.5 | 24.0 |
| 6.5Y | 6.0 | 39 | 24.5 |