Harness Size Guide

Find the right fit with the Mog & Bone Harness Size Guide. Select your harness style below, then compare your dog’s measurements with our recommended sizes.

For the best fit, measure your dog while they are standing and allow enough room to comfortably fit two fingers between the harness and their body.

Still unsure? Please contact us—we’re always happy to help!

Find the perfect harness size

How to measure

Measure around your dog’s neck and the widest part of their chest. Allow enough room to comfortably fit two fingers between the harness and your dog.

Small

Neck: Up to 30 cm

Chest: 38–50 cm

Shop Small Harnesses

Medium

Neck: Up to 35 cm

Chest: 40–56 cm

Shop Medium Harnesses

Large

Neck: Up to 43 cm

Chest: 52–78 cm

Shop Large Harnesses

Extra Large

Neck: Up to 44 cm

Chest: 60–84 cm

Shop Extra Large Harnesses

How to measure

Measure the front chest section and around the widest part of your dog’s ribcage for the girth. Allow enough room to comfortably fit two fingers between the harness and your dog.

Extra Small

Chest: Up to 24 cm

Girth: Up to 50 cm

Shop Extra Small Harnesses

Small

Chest: 26–32 cm

Girth: 53–59 cm

Shop Small Harnesses

Medium

Chest: 34–46 cm

Girth: 61–74 cm

Shop Medium Harnesses

Large

Chest: 42–48 cm

Girth: 74–97 cm

Shop Large Harnesses

Extra Large

Chest: 50–64 cm

Girth: 87–124 cm

Shop Extra Large Harnesses

Measurements are a guide only. If your dog falls between sizes, please contact us for help selecting the best fit.