| Guida alle dimensioni | Peso | Collo (cm) | Circonferenza (cm) |
| XXS | 1 - 3 kg | 23 - 37 | 24 - 38 |
| XS | 3 - 5 kg | 27 - 46 | 29 - 48 |
| S | 5 - 10 kg | 34 - 56 | 37 - 60 |
| M | 10 - 19 kg | 41 - 68 | 45 - 73 |
| L | 19 - 35 kg | 46 - 78 | 49 - 84 |
| XL | 35+ kg | 52 - 90 | 56 - 97 |
| XXL | 40+ kg | 74 - 131 | 77 - 134 |
