Ruffwear Flagline Dog Harness

by Ruffwear
Starting From: $64.99 Our Price: $64.99
In Stock Online

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  • Multipurpose dog harness
  • Three adjustable points for a fully customizable fit
  • V-ring or front and back webbed loops to securely attach a leash
  • Long design belly and chest panel to protect from debris and relieve tension
  • Reflective material for increased visibility
  • Light loop attachment on handle for greater visibility on the trail
  • Available in six colours and a variety of sizes

A multi-purpose harness, the Ruffwear Flagline Harness was specially designed to stand up to rugged outdoor activities while providing extra assistance for difficult terrain or crossing rivers and streams. The comfortable harness is fashioned from 150 denier polyester ripstop and has 75 denier polyester lining that repels dirt and dog fur. The three adjustment points on each side let you customize the harness to perfectly fit your dog’s body shape. There are two molecular-weight polyethylene webbing loops, one at the chest and one at the back, or an anodized 6061-T6 aluminum V-ring for leash attachment.

The easy-grip, padded handle lets you assist your dog across rough terrain when a small boost is needed. The chest belly panel helps with load distribution and eases tension when lifting your canine. Reflective material along the front panel helps improve visibility. You can also attach Ruffwear’s lights the Beacon or the Audible Beacon to keep better track of your pooch in low light or heavy brush.

The Flagline Harness is available in a wide assortment of sizes and six distinct colours. Please see specifications for additional information. Explore Ruffwear's full line of collars, harnesses, and seasonal and outdoor gear for any dog-friendly adventure ahead here.

Size Guide

Size Chest Girth
XX-Small 33.0 - 43.0 cm | 13 - 17 in
X-Small 43.0 - 56.0 cm | 17 - 22 in
Small 56.0 - 69.0 cm | 22 - 27 in
Medium 69.0 - 81.0 cm | 27 - 32 in
Large - X-Large 81.0 - 107.0 cm | 32 - 42 in

How to Measure Your Dog



  1. Neck: Measure the circumference of the base, leaving enough space to fit two fingers comfortably.
  2. Lower Neck: Measure the circumference of the area above the shoulder blades towards the top of the chest, leaving enough space to fit two fingers comfortably.
  3. Chest Girth: Measure the circumference of the widest part of the chest behind the front legs.
  4. Length: Measure the length of your dog's back from the top of their shoulders to the base of their tail.
  5. Height: Measure the distance from the floor to the top of your dog's shoulder blades. Your dog needs to be standing on all four legs.
  6. Paw Width: Measure the widest part of the paw. You'll get a better measurement if your pup is standing.
  7. Paw Length: Measure the distance between the "heel" and the longest toe nail. You'll get a better measurement if your pup is standing.
  8. Muzzle Length: Measure the nose length from the tip to the crook where you want the muzzle to sit comfortably below the eyes.
  9. Muzzle Width: Measure the muzzle's circumference at the widest part, leaving space for two fingers to ensure a comfortable fit.
  10. Weight: Step on a scale while holding the dog, then subtract your weight from the total. A dog scale is conveniently located at all our locations.

Get more tips for finding the perfect fit for your dog's adventure gear in How to Measure Your Dog.


Please secure all fasteners and handwash using a mild detergent in cold water. Please hang to dry and do not dry clean or use bleach on the product.