The following size chart is to be used as a guide only.
| Size | Weight | Weight |
| X Small | 45 – 54 kg | 100 – 120 lb |
| Small | 54 – 65 kg | 120 – 145 lb |
| Medium | 65 – 77 kg | 145 – 170 lb |
| Large | 77 – 90 kg | 170 – 200 lb |
| X Large | 90 – 102 kg | 200 – 225 lb |
| XX Large | 102 – 118 kg | 225 – 260 lb |