What Size Collar & Harness for a Flat-Coated Retriever?
For an adult Flat-Coated Retriever, a M collar and M harness are the usual starting point, based on a typical neck of 41–48 cm and chest of 61–76 cm. But every dog is different — measure yours and use the two-finger rule before buying.
Typical measurements for an adult Flat-Coated Retriever:
| Typical range | Recommended size | |
|---|---|---|
| Neck (collar) | 41–48 cm (16.1–18.9 in) | M |
| Chest (harness) | 61–76 cm (24.0–29.9 in) | L |
| Weight | 25–36 kg | — |
Got a tape measure handy? The collar & harness calculator turns your exact measurement into a size with the two-finger fit built in.
Flexible tape to measure your dog's neck and chest accurately — the safe way to size.
View on Amazon →Strong adjustable collar for larger, stronger dogs.
View on Amazon →Even pressure for comfortable walks — size to the chest girth.
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