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What Size Collar & Harness for a Shetland Sheepdog?

For an adult Shetland Sheepdog, a S collar and S harness are the usual starting point, based on a typical neck of 30–38 cm and chest of 46–56 cm. But every dog is different — measure yours and use the two-finger rule before buying.

Collar: S  ·  Harness: S
Typical neck 30–38 cm · chest 46–56 cm · weight 7–11 kg
⚠️ Measure your dog — breed is only a starting point. A Shetland Sheepdog's build varies a lot between individuals, and a collar is a safety item. Measure the neck snug, add about 2-3 cm (the two-finger rule), and confirm against the specific collar's size guide before buying.
🐕 Breed note: Measure with the fur pressed flat, then consider sizing up — a thick coat needs extra room and can hide the true neck size.

Typical measurements for an adult Shetland Sheepdog:

Typical rangeRecommended size
Neck (collar)30–38 cm (12–15 in)S
Chest (harness)46–56 cm (18–22 in)S
Weight7–11 kg

Got a tape measure handy? The collar & harness calculator turns your exact measurement into a size with the two-finger fit built in.

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