Under Armour Hats Size Chart
Under Armour Adjustable Hat Sizing Information
| Type | Head (in.) |
|---|---|
| MEN'S OSFA | 22 - 23.5 |
| WOMEN'S OSFA | 21 1/4 - 22 3/4 |
| KIDS' OSFA | 20 7/8 - 22 3/8 |
Under Armour Stretch-Fit Hat Sizing Information
| Size | Head (in.) |
|---|---|
| S/M | 20 7/8 - 21 1/2 |
| M/L | 22 - 23 |
| L/XL | 23 - 24 1/4 |
| XL/XXL | 24 1/4 - 25 1/2 |
Under Armour Fitted Hat Sizing Information
| Size | Head (in.) |
|---|---|
| 6 5/8 | 20 7/8 |
| 6 3/4 | 21 1/4 |
| 6 7/8 | 21 5/8 |
| 7 | 22 |
| 7 1/8 | 22 3/8 |
| 7 1/4 | 22 3/4 |
| 7 3/8 | 23 |
| 7 1/2 | 23 1/2 |
| 7 5/8 | 23 7/8 |
| 7 3/4 | 24 1/4 |
| 7 7/8 | 24 3/4 |
| 8 | 25 1/8 |
| 8 1/8 | 25 1/2 |
