Pro Tec Classic Skate Independent Collab Helmet Gray
| X Small | Small | Medium | Large | X Large | XX Large |
| 20.5-21.3" | 21.3-22" | 22.22.8" | 22.8-23.6" | 23.6-24.4" | 24.4-25.2" |
| 52-54cm | 54-56cm | 56-58cm | 58-60cm | 60-62cm | 62-64cm |