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Collar and harness fit

Maker facts and catalog records, with sources you can open.

Lifetime Mini Harness

Use the chart for the product

Keep each measurement with its maker’s chart. The catalog does not convert sizes between brands.

Measure for a Ruffwear harness

For Ruffwear harnesses, measure around the widest chest area behind the front legs.

Source: Ruffwear size guide. Read 2026-11-15.

Open the Ruffwear chart

Compare the chest measurement with Ruffwear’s chart for the chosen harness.

Source: Ruffwear size guide. Read 2026-11-15.

Measure for a Foggy Dog collar

The Foggy Dog uses a soft tape around the neck, snug but not tight.

Source: The Foggy Dog size guide. Read 2026-11-15.

Check the Foggy Dog collar space

The Foggy Dog says to leave room for two fingers between its collar and the neck.

Source: The Foggy Dog size guide. Read 2026-11-15.

Read the maker size chart ↗

Questions before you choose

Where does Ruffwear measure chest size?

Ruffwear uses the widest chest area behind the front legs.

Which chart applies to a Foggy Dog collar?

Use The Foggy Dog’s own collar chart for its listed neck ranges.