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 | Inches | Centimeters |
| XS | 18" - 19" | 46cm - 48cm |
| S/One Size | 19" - 21-1/4" | 48cm - 54cm |
| Chakra Youth | Inches | Centimeters |
| One Size | 20-1/2" - 22-1/2" | 52cm - 57cm |
| Zoka Youth | Inches | Centimeters |
| YM | 19-3/4" - 20" | 50cm - 51cm |
| YL | 20-1/2" - 21-1/4" | 52cm - 54cm |
Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.