| Men’s Sizes | Women’s Sizes | Youth Sizes |
| Small A 46cm B 70cm | Small A 41cm B 64cm | Small 5-6yo |
| Med A 51cm B 72cm | Med A 43cm B 67cm | Medium 7-8yo |
| Large A 56cm B 75cm | Large A 47cm B 69cm | Large 9-11yo |
| XL A 61cm B 77cm | XL A 50cm B 71cm | |
| 2XL A 66cm B 80cm | 2XL A 56cm B 72cm | |
| 3XL A 71cm B 82cm |