How to measure
Use a soft tape and measure while your pet is standing. Leave two fingers of room under the tape — snug, never tight.
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Chest girth: around the widest part of the chest, just behind the front legs.
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Back length: from the base of the neck to the base of the tail.
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Neck girth: around the widest part of the neck, where a collar would sit.
Dogs: apparel
| Size |
Chest (cm) |
Chest (in) |
Back length (cm) |
| XS |
20–30 |
8–12 |
20–25 |
| S |
30–40 |
12–16 |
25–32 |
| M |
40–50 |
16–20 |
32–40 |
| L |
50–62 |
20–24 |
40–50 |
| XL |
62–78 |
24–31 |
50–62 |
Cats: apparel
| Size |
Chest (cm) |
Chest (in) |
Back length (cm) |
| XS |
18–24 |
7–9.5 |
18–22 |
| S |
24–30 |
9.5–12 |
22–27 |
| M |
30–38 |
12–15 |
27–32 |
Collars
| Size |
Dog neck (cm) |
Cat neck (cm) |
| XS |
20–28 |
18–22 |
| S |
28–38 |
22–27 |
| M |
38–48 |
27–32 |
| L |
48–60 |
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Between sizes? Choose the larger one. Sizes are a guide: every breed is built differently.
