7iDP Helmets
M1 Helmet
| - | X-Small | Small | Medium | Large | X-Large | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | 20.75-21.25 | 21.5-22 | 22.5-22.75 | 23.5-23.75 | 24-24.25 | |||||||||
| cm | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | |||||||||
M2 Helmet
| - | X-Small/Small | Medium/Large | X-Large/2X-Large | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | 20.5-21.75 | 22-23.25 | 23.75-25 | |||||||||||
| cm | 52-55 | 56-59 | 60-63 | |||||||||||
M1/Project.23 Helmets
| - | XS | Small | Medium | Large | XL | XXL | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | 20.75-21.25 | 21.5-22 | 22.5-22.75 | 23.5-23.75 | 24-24.25 | 55-56 | ||||||||
| CM | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||||||||
M5 Helmet
| - | Small/Medium | Large/X-Large | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | 21.25-23 | 23-24.5 | ||||||||||||
| cm | 54-58 | 58-62 | ||||||||||||
Youth M1 Helmet
| - | Youth Medium | Youth Large | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | 18.8-19.6 | 19.6-20.5 | ||||||||||||
| cm | 48-50 | 50-52 | ||||||||||||