| Ace | ||
|---|---|---|
| Head Size (Inches) | Head Size (cm) | Size |
| 21 1/2" | 54 | XS |
| 22 | 56 | Small |
| 22 1/2" | 57 | Medium |
| 22 3/4" | 58 | Large |
| 23" | 59 | XL |
| 24" | 61 | 2XL |
| Endura/Zenith | ||
|---|---|---|
| Head Size (Inches) | Head Size (cm) | Size |
| 21" | 53.5 | XS |
| 21 3/4" | 55 | Small |
| 22 1/4" | 56.5 | Medium |
| 22 3/4" | 58 | Large |
| 24" | 60.5 | XL |
| 24 1/2" | 62 | 2XL |