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Ruffwear Front Range Flex Harness – Size Guide

📏 Ruffwear Front Range Flex Harness – Size Guide

Measure your dog’s girth

Wrap a tape measure around the widest part of the rib cage, just behind the front legs.

Size Girth Measurement Typical Fit - a GUIDE only - please measure your dog
XXS 33 – 43 cm Very small dogs, mini breeds & puppies
XS 43 – 56 cm Small breeds (mini schnauzer, border terrier, standard dacshund, cavapoo)
S 56 – 69 cm Medium breeds (cockapoo, working cocker spaniel, scottie, westie)
M 69 – 81 cm Medium–large breeds (working labrador, springer spaniel, female golden retriever)
L 81 – 107 cm Large & deep-chested dogs (german shepherd, male golden retriever, some labradors, husky, standard poodle)

Between sizes? We recommend sizing up for comfort and freedom of movement. However, this does depend if you think your dog's frame will fit the larger sized harness - if in doubt, send us a message.

📏 Ruffwear Front Range Flex Collar – Size Guide

Measure your dog’s neck circumference

Size Neck Measurement
XS 28 – 36 cm
S 36 – 41 cm
M 41 – 51 cm
L 51 – 66 cm

Ruffwear Front Range Flex Leash – Quick Guide

Leash Length Best For
Standard length Everyday walks, training, town & country
Traffic handle Close control in busy areas

(One size fits most dogs - choose your Ruffwear lead based on walking style rather than dog size.)


✔️ Be More Bob Fit Tips (Real-World Tested)

  • The harness should sit snug, not tight - no pinching or rubbing behind the legs, or up in to the armpits.

  • Importantly, it should NOT be loose - otherwise it will ride around and up, and it won't do its job properly
  • You should be able to fit two fingers under straps and collar

  • Re-check fit after the first few walks as materials naturally settle, and after grooming

  • For growing dogs or thick coats, leave room to adjust

As a premier Ruffwear stockist in the UK, Be More Bob offers sizing advice based on hands-on experience using this gear with our own dogs since 2018. If you’re unsure, we’re always happy to help you get it right first time.

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