Pro-Tec Helmets Size Guide
PRO-TECH Helmets Size Guide
| SIZE | DIAMETER (CM) |
| XS | 52-54CM |
| S | 54-56CM |
| M | 56-58CM |
| L | 58-60CM |
| XL | 60-62CM |
| XXL | 62-64CM |
| SIZE | DIAMETER (CM) |
| XS | 52-54CM |
| S | 54-56CM |
| M | 56-58CM |
| L | 58-60CM |
| XL | 60-62CM |
| XXL | 62-64CM |
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