Australian Shepherd Size, Weight, Height & Harness Guide
The Australian Shepherd
Australian Shepherds are medium-sized, highly active dogs with athletic builds and thick coats. Their energy levels and movement require well-fitted harnesses that allow full range of motion.
Quick Answer: What Size Harness for an Australian Shepherd?
Most Australian Shepherd owners choose a Medium (M) or Large (L) harness.
Typical chest size: 55–75 cm (22–29 inches)
Most Australian Shepherds fit between Medium and Large harness sizes.
View suitable harnesses for Aussie Shepherds
Australian Shepherd Size & Measurements
Weight
Male: 25–32 kg
Female: 18–25 kg
Height
Male: 51–58 cm
Female: 46–53 cm
Chest Size
55–75 cm
Neck Size
40–55 cm
Recommended Fit
Harness: Medium (M) or Large (L)
Collar: Medium (M) or Large (L)
How to Measure an Australian Shepherd
- Chest: measure around the widest part of the ribcage
- Neck: base of the neck
Ensure flexibility for movement and activity.
About Australian Shepherds
Australian Shepherds are intelligent, energetic dogs bred for herding. Their athletic build and active lifestyle require gear that supports movement without restriction.
Best for: Active owners, working roles
Energy level: Very high
Build: Athletic, medium
Best Harness for Aussie Shepherd
Australian Shepherds are energetic herding dogs that excel in active environments. They benefit from harnesses that allow unrestricted movement.
We recommend the Active Cordura® Harness for its Y-shape design, comfort, and freedom of movement that they require.
Browse Y-shape harnesses for active dogs
Browse personalized dog harnesses
Helpful Links
- Australian Shepherd Chest Size Guide
- Australian Shepherd Neck Size Guide
- Harness Size Guide
- Weight Chart
- Height Chart
- All Breed Guides
FAQs
How much food should an Australian Shepherd eat?
Typically 1.5–2.5 cups per day depending on activity.
Do Australian Shepherds need a harness?
Yes, especially for active lifestyles and training.
Are Australian Shepherds easy to fit?
Yes, though their coat can affect measurement slightly.
What size collar does an Australian Shepherd need?
Medium or Large.
Do Australian Shepherds pull on the lead?
They can when excited or under-stimulated.
When is an Australian Shepherd fully grown?
Around 12–15 months.
Are Australian Shepherds high maintenance?
Yes, they require regular exercise and mental stimulation.