This guide includes both a helmet and a protection gear guide.
The chart is for guidance only and shows helmets inner circumference measurements:
| Size | Inner circumference (cm) |
| XXS/XS | 51-52* |
| XS | 52-54 |
| XS/S | 53-54* |
| S | 54-56 |
| S/M | 55-56* |
| M | 56-58 |
| M/L | 57-58* |
| L | 58-60 |
| L/XL | 59-60* |
| XL | 60-62 |
| XXL | 62-64 |
*Indicates Pro-Tec 2013 sizes.
The chart is for guidance only.

As reference youth sizes will protect and fit kids up to 25 kg.
| Youth sizing | A | B |
| Elbow | 19-23 cm | 16-20 cm |
| Knee | 23-28 cm | 16-20 cm |
| Wrist | 13-15 cm |