Note: Choose your size primarily by your dog's chest, back length, and neck. Weight is for reference only. If between sizes, size up.
| Size | Chest | Back | Neck | Weight |
|---|---|---|---|---|
| S | 36 cm | 23 cm | 24 cm | 3.3–5.5 lb |
| M | 42 cm | 27 cm | 28 cm | 5.5–8.8 lb |
| L | 48 cm | 31 cm | 32 cm | 8.8–11.0 lb |
| XL | 53 cm | 35 cm | 36 cm | 11.0–14.3 lb |
Measurements may vary by 1–3 cm (0.4–1.2 in) due to manual measurement.