Note: Choose your size primarily by your dog's chest and back length. Weight is for reference only. If between sizes, size up.
| Size | Chest | Back | Weight |
|---|---|---|---|
| S | 37 cm | 25 cm | 3.3–5.5 lb |
| M | 42 cm | 30 cm | 5.5–8.8 lb |
| L | 47 cm | 35 cm | 8.8–12.1 lb |
| XL | 52 cm | 38 cm | 12.1–16.5 lb |
| 2XL | 57 cm | 43 cm | 16.5–22.0 lb |
Measurements may vary by 1–3 cm (0.4–1.2 in) due to manual measurement.