Harnesses vs. Collars for Dogs: Which Is Better for Your Pup?

Choosing the right walking equipment for your dog might seem simple, but it can make a big difference in your dog’s comfort, safety, and even long-term health. Whether you’re a dog owner, a dog walker, or both, understanding the pros and cons of harnesses vs. collars will help you make the best choice for your pup’s unique needs.

The Purpose of Each Tool

Before comparing them, it helps to understand what each is designed for.

Collars

Collars are traditionally used for holding ID tags, attaching a leash and basic training. They’re convenient, quick to put on, and are still the most common gear seen on dogs.

Harnesses

Harnesses wrap around the dog’s chest, shoulders, and sometimes torso and are designed to distribute pressure across the body, prevent strain on the neck and give owners more control. They’ve become popular as more people recognize the importance of protecting a dog’s airway and spine.

Harnesses: Pros & Cons

Pros

1. Better for dogs that pull: Front-clip or no-pull harnesses help redirect dogs when they lunge or pull ahead, giving you more control without choking them.

2. Prevents neck injuries: Traditional collars can put pressure on the trachea and cervical spine. Harnesses spread that pressure across the body.

3. Ideal for small breeds & brachycephalic dogs: Breeds like Pugs, French Bulldogs, Shih Tzus, and small toy breeds have delicate airways that can be easily injured with a collar.

4. More secure: Well-fitted harnesses are harder for dogs to slip out of, perfect for escape artists.

Cons

1. Can be harder to put on: Some dogs don’t love stepping into a harness until they’re used to it.

2. Can chafe if poorly fitted: Rubbing around the armpits or chest can happen with incorrect sizing.

3. Some encourage pulling: Back-clip harnesses may actually make pulling easier for strong dogs because they replicate the “opposition reflex.”

🦴 Collars: Pros & Cons

✔ Pros

1. Simple + convenient: Fast to use, always on, and perfect for holding ID tags.

2. Better for calm, well-trained dogs: If your dog doesn’t pull or lunge, a collar might be all you need.

3. Good for quick outdoor potty breaks: Light, minimal, and hassle-free.

✘ Cons

1. Risk of neck, spine, or trachea injury: Repeated pulling can strain your dog’s throat, cause coughing, or worse.

2. Not ideal for reactive or anxious dogs: Dogs that lunge toward distractions can hurt themselves.

3. Easier to slip out of: Some dogs can back out of a collar during stressful moments.

So… Which Should You Choose?

There’s no single answer. Different dogs benefit from different setups. Use this guide:

Choose a Harness If Your Dog:

• Pulls on the leash

• Is small or flat-faced

• Has a history of respiratory issues

• Is reactive or excitable

• Is a puppy learning to walk

• Has ever slipped out of a collar

Choose a Collar If Your Dog:

• Walks calmly with minimal pulling

• Primarily needs ID tags attached

• Is only doing quick potty breaks

• Is already highly trained on-leash

  
  

Best Practice: Use BOTH

Many dog professionals (including trainers and walkers) use a harness AND a collar together:

• Harness = attach the leash (control + safety)

• Collar = hold ID tags and microchip info

This way, you get the benefits of both without risking your dog’s health.

Final Thoughts

A harness or collar isn’t just an accessory, it’s a tool that affects your dog’s comfort and safety every single day. The best choice comes down to your dog’s size, behavior, health, and lifestyle.

If you're unsure, ask a knowledgeable trainer or vet for a fitting session. A properly fitted harness or collar makes all the difference.