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The Ruffwear Knot-a-Collar™ is a low-profile, climbing-inspired everyday collar. Clean and elegant, the Knot-a-Collar settles comfortably in short or long fur and reduces matting. Reflective rope keeps dogs visible in low-light conditions. Pairs with our matching Knot-a-Leash™.

Select Size

Use this fit guide to select the appropriate size for your dog. Measurement is around the neck.

14-20 in (36-51 cm); 7 mm rope
20-26 in (51-66 cm); 7 mm rope

Key Features

Additional Features

  • Low-profile 7mm rope with reflective trim settles comfortably into fur
  • Sliding fisherman knots are adjustable for a customized fit
  • Single-piece, anodized aluminum V-ring provides a secure leash attachment point
  • Easily add or remove tags with Quick Ring™
  • Separate ID attachment point
  • Silicone tag silencer
  • Made in Vietnam

Care Instructions

  • Hand wash
  • Mild detergent
  • Air dry

Trail Tested Promise

All of our products are rigorously field tested and we proudly guarantee against defects in materials and craftsmanship.

Great Companions

Ratings & Reviews

Customer Reviews

Based on 139 reviews
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Ashley B.
United States

Great Collar

Love this collar and so does my Rufio! Got tired of being a part of the throwaway culture and purchased this collar because it's lack of plastic clip.It's very reflective and that is a life saver for camping and night hiking. Decided to get the matching leash as well.

Ashley B. verified customer review of Knot-a-Collar™
Marilyn C.
United States

Love it

Absolutely love the quality of this collar. We mainly use it as an ID collar for our husky, but when we do use a leash with it, we love having the loop located seperate from the tags.

Glen G.
United States

Excellent fit and style

The Knot-a-Collar was an excellent fit and style for my red lab. He loves it and it looks great on him. It also functions beautifully.

Karen R.
United States

Great, light weight Collar !

I like that it is light weight in my hot climate. easy to wash. the dogs can slip out of them if it’s too loose and they pull backward. But again, it is adjustable.

Aaron G.
United States

Great collar

This collar is great! Especially if your dog is like mine and hates to wear a collar. It’s light weight and flexible enough that it goes unnoticed. We mainly walk him on a harness, so this is more used for his tags and to connect his quick lease if we are out and about.