Helmet Measurements:
- Measure circumference of head from center of forehead around head approximately 1.5cm above ears
- Measurement should be taken at widest part of the head
| Chakra Child | Circumference (in) | Circumference (cm) |
| XS | 18 - 19" | 46 - 48cm |
| S/Universal Child | 19 - 21-1/4" | 48 - 54cm |
| Chakra Youth & Youth Plus | Circumference (in) | Circumference (cm) |
| Universal Youth | 20-1/2 - 22-1/2" | 52 - 57cm |
| Zoka Youth | Circumference (in) | Circumference (cm) |
| Youth M | 19-3/4 - 20" | 50 - 51cm |
| Youth L | 20-1/2 - 21-1/4" | 52 - 54cm |
Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.