One of the most common questions new dog owners ask: should I use a harness or a collar? The answer depends on your dog's breed, size, behavior, and health. Here's a complete breakdown to help you decide.
The Case for Harnesses
A harness distributes pressure across the chest, shoulders, and back rather than concentrating it on the neck. This makes harnesses the better choice for:
- Dogs that pull — neck collars on pulling dogs can cause tracheal damage, especially in smaller breeds
- Brachycephalic breeds (Bulldogs, Pugs, French Bulldogs, Shih Tzus) — their compressed airways make neck pressure dangerous
- Small dogs — tiny necks are especially vulnerable to collar pressure
- Dogs with neck injuries or disc problems — harnesses eliminate neck strain entirely
- Escape artists — a properly fitted harness is much harder to slip out of than a collar
Types of Harnesses
Front-clip harness: The leash attaches at the chest. When the dog pulls, they're redirected sideways — naturally discouraging pulling. Best for training pullers.
Back-clip harness: The leash attaches at the back. More comfortable for calm dogs; less effective for pullers (actually encourages pulling via opposition reflex).
Dual-clip harness: Has both front and back attachment points. Most versatile option.
Browse dog harnesses at PawVault →
The Case for Collars
Collars aren't going away — and for good reason. They're essential for:
- ID tags — collars should always be worn with ID tags, even if you walk on a harness
- Well-trained dogs that don't pull — no pressure issue if there's no tension
- Large breeds with thick necks (Labs, Golden Retrievers) — generally tolerate collar pressure better
- Quick backyard or bathroom trips — easier to put on than a harness
The Best Answer: Use Both
Most experienced dog owners use a harness for walks (attached to leash) and keep a collar on at all times for ID tags. This gives you the safety of a harness during exercise and the security of always-visible identification at home.
How to Choose the Right Harness Size
Measure your dog's girth (circumference just behind the front legs) and neck circumference. Most harnesses are sized by girth. When in doubt, size up — you can always tighten, but you can't loosen a harness that's too small.
The fit test: you should be able to fit two fingers comfortably under any strap. Too loose = escape risk. Too tight = discomfort and chafing.
Shop PawVault's full dog accessories collection for harnesses, collars, and leashes — free shipping on orders over $50.