Best Dog Harness UK: How to Choose the Right Fit

For many dogs — and their owners — a harness is a better choice than a collar for daily walking. It distributes pressure more evenly across the body, prevents strain on the neck and trachea, and gives you better steering with pullers. But not all harnesses are the same. Here's what to look for.

Why Use a Harness Instead of a Collar?

Dogs that pull on the lead put repeated pressure on their neck and throat when attached by collar. Over time this can contribute to tracheal damage, particularly in small breeds and brachycephalic dogs (pugs, bulldogs, French bulldogs). A harness spreads that load across the chest and shoulders instead.

Harnesses also give you more control. A front-clip harness in particular redirects a pulling dog back towards you, making training much more effective than pulling back on a collar ever could.

Types of Dog Harness

Back-clip harness — the lead clips to a ring on the dog's back. Easy to put on and comfortable for calm dogs. Doesn't help with pulling as it gives the dog more leverage to pull forward.

Front-clip harness — the lead clips to a ring on the chest. When the dog pulls, they're turned sideways, which naturally discourages pulling. Excellent for training and strong pullers.

Dual-clip harness — has both front and back attachment points. You can use a double-ended lead to clip both simultaneously for maximum control. Popular for reactive dogs and large breeds.

Step-in harness — the dog steps into it and it clips over the back. Simple design, good for dogs that don't like having anything lifted over their head.

Mobility/lifting harness — designed for dogs with mobility issues. Has a handle on the back so you can support a dog's rear end when going up stairs or getting in the car.

How to Measure Your Dog for a Harness

You'll need two measurements:

  • Neck circumference — measure loosely around the base of the neck
  • Chest/girth circumference — measure at the widest point of the chest, just behind the front legs

Always check the brand's specific size guide — sizing varies significantly between manufacturers. A properly fitted harness should allow you to fit two fingers under any strap. It should not restrict shoulder movement or rub under the armpits.

What to Avoid

Avoid harnesses with straps that cross over the shoulder blades — these can restrict your dog's natural gait and cause long-term issues. The front straps should sit on the sternum and not dig into the armpit area.

Cheap harnesses with thin straps can cause pressure sores in dogs that wear them for extended periods. Look for padded chest plates, especially for daily use.

Best Harnesses for Specific Needs

  • Pullers: front-clip or dual-clip harness
  • Small breeds: padded step-in or H-style harness to avoid tracheal pressure
  • Flat-faced breeds: any harness that avoids neck pressure
  • Senior or disabled dogs: mobility harness with lifting handle
  • Car travel: look for crash-tested harnesses (Sleepypod, Kurgo)

Browse our full dog harness and accessories range at UK9 Petcare with free UK delivery on orders over £40.

Back to blog