Fit before the trail
Find a secure, comfortable fit.
A good harness should stay stable without pinching or restricting movement. Measure the chest first, then use weight and breed only as secondary clues.
Quick Size Finder
Enter a chest measurement for a quick starting recommendation. Confirm the fit against the full chart before ordering.
Measure around the widest part of the chest, just behind the front legs
How to Measure Your Dog

Step 1: Measure the Chest
Use a soft measuring tape to measure around the widest part of your dog's chest, just behind the front legs. This is the most important measurement for harness fit.

Step 2: Check the Weight
Weigh your dog to cross-reference with the size chart. Weight alone isn't enough to determine size, but it helps confirm you're in the right range.
Pro Tips for Perfect Fit
- Measure when your dog is standing naturally, not sitting or lying down
- Don't pull the tape too tight - it should be snug but not compressing the fur
- Measure twice to ensure accuracy
- When in doubt, choose the larger size for growing puppies
The numbers that matter
Measure first. Use breed second.
Chest measurement is the best way to choose. Breed examples below are only a quick starting point because dogs of the same breed can have different builds.
| Size | Chest | Neck | Approx. weight | Common starting point |
|---|---|---|---|---|
| XS | 33–43 cm | 25.5–38 cm | 2–5 kg | Chihuahua, Yorkie, toy breeds |
| S | 43–56 cm | 31.5–50 cm | 4–7 kg | Jack Russell, small Pug, Mini Dachshund |
| M | 56–69 cm | 32.5–52 cm | 7–18 kg | Beagle, Cocker Spaniel, smaller Border Collie |
| L | 69–81 cm | 39.5–56.5 cm | 18–30 kg | Labrador, Golden Retriever, Husky |
| XL | 81–107 cm | 45–77 cm | 30–50 kg | German Shepherd, Rottweiler, large breeds |
1. Find the widest point
Wrap a soft tape around the chest just behind the front legs.
2. Keep it level
The tape should be snug, not tight, and parallel to the ground.
3. Confirm the fit
You should be able to slide two fingers beneath the straps once adjusted.