Speed and Strength Helmets Size Chart
| Helmet Size | Head Circumference (in) | Head Circumference (cm) |
|---|---|---|
| XS | 20 1/8" - 20 1/2" | 53 - 54 cm |
| S | 20 7/8" - 21 1/4" | 55 - 56 cm |
| M | 21 5/8" - 22" | 57 - 58 cm |
| L | 22 1/2" - 23" | 59 - 60 cm |
| XL | 23 1/4" - 23 5/8" | 61 - 62 cm |
| 2XL | 24" - 24 3/8" | 63 - 64 cm |