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 | 32 cm | 20 cm | 22 cm | 3.3–4.4 lb |
| M | 37 cm | 25 cm | 25 cm | 5.5–7.7 lb |
| L | 42 cm | 30 cm | 30 cm | 7.7–11.0 lb |
| XL | 47 cm | 35 cm | 33 cm | 11.0–16.5 lb |
| XXL | 52 cm | 40 cm | 35 cm | 16.5–22.0 lb |
Measurements may vary by 1–3 cm (0.4–1.2 in) due to manual measurement.