Measure your dog's neck circumference and the chest circumference just below the front legs, then add 2 extra centimetres to the result.
If you're between two sizes, always go for the larger one.
| Neck | Circumference | |
| XS | 24 - 30 cm | 37 - 43 cm |
| S | 27 - 33 cm | 42 - 48 cm |
| S/M | 30 - 36 cm | 45 - 51 cm |
| M | 33 - 39 cm | 50 - 56 cm |
| L | 36 - 42 cm | 55 - 61 cm |