| VEGA | Helmets |
| Adult Helmets | |||
| Size | Hat Size | Inches | CM |
| XS | 6 5/8 - 6 3/4 | 20.87 - 21.26 | 53 - 54 |
| S | 6 7/8 - 7 | 21.65 - 22.05 | 55 - 56 |
| M | 7 1/8 - 7 1/4 | 22.44 - 22.83 | 57 - 58 |
| L | 7 3/8 - 7 1/2 | 23.23 - 23.62 | 59 - 60 |
| XL | 7 5/8 - 7 3/4 | 24.02 - 24.41 | 61 - 62 |
| 2XL | 7 7/8 - 8 | 24.80 - 25.20 | 63 - 64 |
| 3XL | 8 1/8 - 8 1/4 | 25.60 - 26.00 | 65 - 66 |
| 4XL | 8 3/8 - 8 1/2 | 26.40 - 26.80 | 67 - 68 |
| 5XL | 8 5/8 - 8 3/4 | 27.00 - 27.50 | 69 - 70 |
| Junior Helmets | |||
| Size | Inches | CM | |
| S | 19.15 - 19.50 | 49-50 | |
| M | 20.10 - 20.45 | 51 - 52 | |
| L | 20.87 - 21.26 | 53 - 54 | |