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10 Best Harnesses for Mastiffs – 2024 Reviews & Top Picks

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By Nicole Cosgrove

bordeaux mastiff running

When it comes to our furry friends, especially those of the larger variety like Mastiffs, having the right harness can make a world of difference in their comfort, health, and overall happiness.

However, with the vast number of options available on the market, selecting the best strong dog harness that caters to your pet’s needs can be a daunting task.

This is why we have carefully curated a list of the top Mastiff harnesses, each with its unique features and benefits. Whether you’re seeking a premium choice or something more suited to puppies, we’ve got you covered!

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A Quick Comparison of Our Favorites in 2024

Rating Image Product Details
Best Overall
Chai’s Choice Premium Front Clip Harness Chai’s Choice Premium Front Clip Harness
  • Excellent visibility in low light
  • Distributes pressure evenly
  • Enhances car ride safety
  • Best Value
    Second place
    Red Dingo’s Nylon Back Clip Harness Red Dingo’s Nylon Back Clip Harness
  • Durable and high-strength with sewn seams
  • Comfortable due to soft, abrasion-resistant material
  • Secure leash and ID tag attachment
  • Premium Choice
    Third place
    Julius-K9 IDC Powerharness Julius-K9 IDC Powerharness
  • Comfortable and breathable for everyday use
  • Can withstand all weather conditions
  • Enhances visibility with reflective strap
  • Best for Puppies
    Best Pet Supplies Voyager Harness Best Pet Supplies Voyager Harness
  • Soft, breathable fabric for all-weather use
  • Prevents neck strain with even pressure
  • Enhanced visibility with reflective bands
  • EliteField’s Padded Harness EliteField’s Padded Harness
  • High visibility with reflective strips
  • Non-restrictive shoulder movement
  • Ease of use with quick-release buckles
  • The 10 Best Mastiff Harnesses

    1. Chai’s Choice Premium Front Clip Harness – Best Overall

    Chai’s Choice Premium Outdoor Adventure 3M Polyester Reflective Front Clip Dog Harness

    Check Price on Chewy
    Material: Polyester
    Size: Large, 27- to 32-inch chest
    Features: Built-in handle, padded chest

    Harnessing the need for safety and comfort, the Chai’s Choice Premium Harness ensures pleasant walks and rides. Composed of 3M reflective polyester, the unit provides excellent visibility for those twilight strolls.

    This strong dog harness stands out for the padded chest and belly straps that evenly distribute pressure, enhancing comfort and security. The built-in handle is an innovative addition, allowing for effective restraint during car rides.

    The size for the large variant measures between 27 to 32 inches around the chest, fitting most large breed Mastiffs. Adjustable straps offer a customized fit, while the variety of vibrant colors adds an aesthetic touch.

    • Excellent visibility in low light
    • Distributes pressure evenly
    • Enhances car ride safety
    • Adjustable fit for comfort
    • Not suitable for small mastiffs

    2. Red Dingo’s Nylon Back Clip Harness – Best Value

    Red Dingo’s Nylon Back Clip Harness

    Material: Premium-quality nylon webbing
    Size: Large, 22- to 31.5-inch chest
    Features: Abrasion-resistant, stainless-steel D-ring

    Red Dingo’s Nylon Back Clip Harness showcases a simple yet practical design ideal for large dog breeds. This harness utilizes premium-quality nylon webbing, rendering it durable and high-strength.

    The soft, abrasion-resistant material ensures maximum comfort for your pet. Red Dingo also incorporates their trademarked Bucklebone clip, recognized as one of the strongest side-release buckles in the pet industry.

    This large-size harness fits chests ranging from 22 to 31.5 inches. The solid stainless-steel D-ring offers a secure leash and ID tag attachment.

    • Durable and high-strength with sewn seams
    • Comfortable due to soft, abrasion-resistant material
    • Secure leash and ID tag attachment
    • Stainless steel D-ring
    • Lacks reflective material for enhanced visibility

    3. Julius-K9 IDC Powerharness- Premium Choice

    Julius-K9 IDC Powerharness

    Material: Nylon, synthetic fabric, Eco-Tex inner liner
    Size: Large, 26- to 33.5-inch chest
    Features: Water-repellent, reflective strap, handle-fixing option

    The Julius-K9 IDC Powerharness is designed for active dogs, offering optimum comfort, durability, and a full range of motion. Its breathable Eco-Tex inner liner makes it suitable for daily use, while the water-repellent outer shell ensures your pet stays dry during outdoor adventures.

    This harness features weather-proof, break-resistant buckles, ready for all conditions, even freezing temperatures. The reflective chest strap and glow-in-the-dark labels enhance your dog’s visibility during nighttime walks.

    An added benefit is the handle-fixing option, offering versatility in the usage of the steel ring and handle, minimizing the chance of your pet getting stuck.

    • Comfortable and breathable for everyday use
    • Can withstand all weather conditions
    • Enhances visibility with reflective strap
    • Versatile handle-fixing option
    • May require some adjustment for fit

    4. Best Pet Supplies Voyager Harness – Best for Puppies

    Best Pet Supplies Voyager Step-in Air Dog Harness

    Material: Breathable polyester, synthetic fabric
    Size: Small, 14.5- to 17-inch chest
    Features: Even pressure distribution, two reflective bands

    The Best Pet Supplies Voyager Step-in Air Dog Harness is a sturdy choice for your Mastiff’s comfort and safety. Made from soft and breathable polyester, the harness ensures comfort in any weather condition.

    Its construction is designed to distribute pressure evenly around the chest, reducing stress on your pet’s neck during walks. What’s more, the harness includes two reflective bands, improving visibility during early morning and evening strolls.

    It also incorporates a three-layer security system that consists of a hook-and-loop fastener, a buckle, and double D-rings to ensure your pet’s safety. Its step-in design simplifies the process of putting it on your dog, making this a smart choice for those on the go.

    • Soft, breathable fabric for all-weather use
    • Prevents neck strain with even pressure
    • Enhanced visibility with reflective bands
    • Simplified use with step-in design
    • Lacks padding for additional comfort

    5. EliteField’s Padded Harness

    EliteField’s Padded Harness

    Material: Durable nylon and soft padding
    Size: Large, 21- to 36-inch chest
    Features: Adjustable straps, quick-release buckles, D-rings

    EliteField’s Padded Harness proves to be a functional and comfortable option for Mastiffs. Designed with durable nylon and soft padding, it ensures a cozy fit while protecting the dog’s skin.

    The harness permits natural shoulder movement, making it non-restrictive. Reflective strips are strategically integrated, enhancing visibility for nighttime walks.

    Adjustable straps and quick-release buckles add convenience to this large-size unit, fitting chests between 21 to 36 inches. A significant feature is the dual D-ring attachments, offering flexible leash connection points.

    • High visibility with reflective strips
    • Non-restrictive shoulder movement
    • Ease of use with quick-release buckles
    • Reflective strips may fade over time

    6. OneTigris Tactical Vest Harness

    OneTigris Tactical Vest Dog Harness

    Material: Nylon, synthetic fabric, soft interior padding
    Size: Large, 22- to 42-inch chest
    Features: MOLLE webbing, adjustable, V-ring attachment, bungee strap

    This OneTigris Tactical Vest Harness is built to suit the adventurous spirit of your dog. It features a durable, heavy-duty nylon shell and soft interior padding for lightweight, water-resistant comfort.

    The convenient MOLLE webbing along both sides of the harness allows your dog to carry various pouches for gear and supplies. What’s more, there are fully adjustable neck and chest straps that help ensure a snug and secure fit.

    It also comes with an extra-strong V-ring leash attachment for added security. An additional control loop at the front allows for better control when required. The harness also offers customization options with morale patches and badges for expressing your dog’s style and personality.

    • Durable and lightweight
    • Convenient MOLLE webbing for carrying supplies
    • Fully adjustable for a snug and secure fit
    • Customizable with morale patches and badges
    • Some dogs may not get used to carrying supplies

    7. Best Pet Supplies Voyager Step-in Lock Harness

    Best Pet Supplies Voyager Step-in Lock Harness

    Material: Polyester, synthetic fabric
    Size: Large, 20- to 25-inch chest
    Features: Wide padded shape, rounded neckline, side buckles, D-ring

    The Voyager Step-in Lock Harness by Best Pet Supplies provides safety and comfort for your dog during walks. Its design evenly distributes pressure around the chest to prevent stress and strain on your pet’s neck.

    In addition, the dog-centric design features a wide shape, a rounded neckline, and a snug fit that helps prevent your dog from wiggling out. Unlike traditional harnesses, this model eliminates the struggle of pulling the harness over your pet’s head.

    Your dog simply steps into the harness, you clip it on, and you’re ready to go. It’s made with padded mesh and has four adjustment sliders to ensure the perfect fit. The harness also includes strong side buckles and a heavy-duty D-ring for secure leash attachment.

    • Comfortable and safe design
    • Easy to put on
    • Adjustable for a perfect fit
    • Secure leash attachment
    • Material may not withstand aggressive chewers

    8. HDP Big Dog Harness

    1HDP Big Dog No Pull Dog Harness

    Material: Polyester, nylon, synthetic fabric
    Size: Large, 25- to 32-inch chest
    Features: No choke design, wide padded chest, easy-click buckles

    The HDP Big Dog Harness is a revolutionary solution for dogs that tend to pull on the leash, as well as elderly dogs who require a gentler walking accessory. This harness is designed to distribute the pressure evenly across your dog’s chest and shoulders, providing a comfortable walking experience. It comes with extra padding for enhanced comfort.

    The harness features a D-ring for leash attachment that attaches firmly to a center ring, providing your dog with freedom of movement while giving you ultimate control. A bonus handle is also included, which you can use to help your dog over difficult terrain or to keep your pet close in unexpected situations.

    The harness is made from 100% polyester and comes with easy-click buckles that prevent your dog from slipping out. The no-choke design ensures that your dog remains comfortable, even when pulling hard on the leash.

    • Comfortable and safe design
    • Great for dogs that pull or elderly dogs
    • Control handle for unexpected situations
    • Secure leash attachment
    • Some dogs may still manage to pull with this harness

    9.C4 No-Pull Harness

    C4 No-Pull Harness

    Material: Neoprene
    Size: Large, 24- to 38-inch chest
    Features: Breathable neoprene, adjustable woven nylon straps, no-pull design

    The C4 No-Pull Harness offers an easy, comfortable, and stylish solution for walking your dog. Made from soft, breathable neoprene, this harness ensures that your pet is comfortable throughout their walk.

    It comes with woven nylon straps that allow you to adjust the neck and chest sizes, ensuring a perfect fit for your dog.

    The harness features a no-pull design, which means it can accommodate various walking styles without causing discomfort to your dog. It has three carbon-coated steel D-rings that provide multiple points for leash attachment, giving you more control during walks.

    One of the notable features of the C4 No-Pull Premium Dog Harness is that it is machine washable, making it easy to keep clean. With its durable, stylish design, your dog will be a fashion icon on every walk.

    • Comfortable and breathable material
    • Adjustable fit
    • Multiple leash attachment points for added control
    • Machine washable for easy cleaning
    • May not suit very small or very large dogs

    10. Kurgo Journey Air Polyester Harness

    Kurgo Journey Air Polyester Reflective No Pull Dog Harness

    Material: Polyester, synthetic fabric
    Size: Large, 24- to 34-inch chest
    Features: Deep V-neck design, padded chest plate, breathable material

    Designed for active dogs who love to explore the outdoors, the Kurgo Journey Air Dog Harness offers a blend of comfort, control, and safety. This harness features a deep V-neck design and a padded chest plate, ensuring the strain on your dog’s neck is reduced. This is particularly important for dogs who tend to pull on their leash.

    The Mastiff harness comes with both front and back leash attachments. This dual-attachment design provides flexibility for you and your dog during walks or runs, helping to discourage pulling and offering better control.

    It’s also nice to see reflective trim, as this ensures that your dog is visible even during darker hours, adding an extra layer of safety. The strong dog harness also features four adjustment points for a perfect fit and is easy to put on and take off, thanks to its four quick-release buckles.

    • Comfortable and breathable
    • Reflective trim for visibility
    • Front and back leash attachments for added control
    • Quick-release buckles for ease of use
    • Some dogs may need time to adjust to the fit

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    Buyer’s Guide for the Best Mastiff Harnesses

    Choosing the right harness for your Mastiff can make a huge difference in their comfort and safety during walks. Here are some key features to consider when purchasing a strong dog harness for your large furry friend:

    Size and Fit

    Mastiffs are large dogs, so it’s important to choose a harness designed for big breeds. Measure your dog’s chest and neck circumference to ensure you choose the correct size. A well-fitted harness will not be too tight or loose and will distribute pressure evenly across the chest and shoulders to avoid discomfort or injury.

    Durability and Strength

    Mastiffs are strong, powerful dogs. The harness should be made of high-quality, durable materials to withstand the strength of a Mastiff. Look for reinforced stitching, heavy-duty buckles, and strong D-rings for leash attachment.


    Look for a harness with padding to ensure your Mastiff is comfortable during walks. Breathable materials like mesh or neoprene can also help keep your dog cool.

    Easy to Use

    Choose a harness that is easy to put on and take off. Options with quick-release buckles or adjustable straps can be particularly user-friendly.

    No-Pull Features

    If your Mastiff tends to pull, consider a harness with a front clip or no-pull design. These features can provide more control and help train your dog not to pull on the leash.


    Reflective trim or bright colors can improve visibility, particularly if you often walk your dog in low-light conditions.

    Remember, every dog is unique, and what works best for one Mastiff may not work as well for another. It may take some trial and error to find the perfect harness for your large breed companion. Always monitor your dog’s comfort and adjust the fit of the harness as needed.

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    After extensively researching and comparing numerous products, we’ve selected our top four picks to cater to a variety of needs and budgets. The Chai’s Choice Premium 3M Front Clip Harness emerges as the best overall due to its pressure distribution and built-in handle, ensuring your Mastiff’s comfort and safety.

    Red Dingo’s Nylon Back Clip Harness offers the best value, providing high durability and a comfortable design at a reasonable price point. If budget isn’t a constraint and you’re looking for a luxurious option, the Julius-K9 IDC Powerharness is our premium choice, offering comfort, durability, and visibility in one package.

    And lastly, for the young ones, the Best Pet Supplies Voyager Harness is ideal, featuring soft, breathable fabric and even pressure distribution to keep your puppy comfortable and secure. Your Mastiff deserves the best, and with these top-notch harnesses, you can provide just that.

    Featured Image Credit: Jan, Pixabay

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