This brace must fit snugly to be mechanically effective and is designed to fit trim, muscular arms. If your measurement is near the size break point, the best way to ensure proper fit is to try on the two closest sizes.
| Size | Inch | CM |
|---|---|---|
| 1 | 8 ⅝ - 9 ½ | 22-24 |
| 2 | 9 ½ - 10 ¼ | 24-26 |
| 3 | 10 ¼ - 11 | 26-28 |
| 4 | 11 - 12 ⅝ | 28-32 |
| 5 | 12 ⅝ - 14 ⅛ | 32-36 |