| Size | Head Circumference | Age Range |
|---|---|---|
| Small | 20-21.5" | 6-8 years |
| Medium | 21.5-22.5" | 9-11 years |
| Large | 22.5-23.5" | 12-14 years |
| X-Large | 23.5-24.5" | 15+ years |
| XX-Large | 24.5-25.5" | Adult |
| Size | Chest Width | Shoulder Width |
|---|---|---|
| Youth Small | 26-28" | 14-15" |
| Youth Medium | 28-30" | 15-16" |
| Youth Large | 30-32" | 16-17" |
| Adult Small | 34-36" | 17-18" |
| Adult Medium | 38-40" | 18-19" |
| Adult Large | 42-44" | 19-20" |
| Adult X-Large | 46-48" | 20-21" |
| US Size | UK Size | EU Size |
|---|---|---|
| 6 | 5.5 | 39 |
| 7 | 6.5 | 40 |
| 8 | 7.5 | 41 |
| 9 | 8.5 | 42 |
| 10 | 9.5 | 43 |
| 11 | 10.5 | 44 |
| 12 | 11.5 | 45 |
| 13 | 12.5 | 46 |