| Size | Back length (cm) | Chest circumference (cm) | Estimated pet weight (kg) |
| S | 20 | 32 | 1.25-2 |
| M | 25 | 37 | 2-3 |
| L | 30 | 42 | 3-4 |
| XL | 35 | 47 | 4-6 |
| XXL | 40 | 53 | 6-8 |
*Due to manual measurement, there may be minor discrepancies. The colour of the actual product may vary slightly
**As a general rule of paw, if your pet's measurements fall in between sizes, we recommend the larger size of the two
