| Size | UK Size | EU Size | Footprint Circumference (cm) |
| XS | 1 - 3 | 30- 36 | 48 - 58 |
| S | 3 - 6 | 36 - 40 | 58-64 |
| M | 6 - 9 | 39 - 43 | 64-72 |
| L | 9 - 11 | 43 - 46 | 72-76 |
| XL | 11 - 14 | 46 - 49 | 76-82 |
| Size | UK Size | EU Size | Footprint Circumference (cm) |
| XS | 1 - 3 | 30- 36 | 48 - 58 |
| S | 3 - 6 | 36 - 40 | 58-64 |
| M | 6 - 9 | 39 - 43 | 64-72 |
| L | 9 - 11 | 43 - 46 | 72-76 |
| XL | 11 - 14 | 46 - 49 | 76-82 |