Large Dog Harnesses

Big dogs need a big dog harness that can handle real strength and energy, and Dogline's large dog harness lineup is built for exactly that. Constructed from premium materials like Biothane, leather, and nylon, our harnesses for large dogs combine heavy-duty security with a comfortable fit in a range of colors and extra-wide sizing.

Explore the options below to find the right harness for a big dog.

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Color options for Boston Mesh Dog Harness + Built-in Hook & Loop Fastener Select Black

Select Royal Blue

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from $13.99

Boston Mesh Dog Harness + Built-in Hook & Loop Fastener

Our Boston Mesh Harnesses are a soft, padded step in harnesses that provide exceptional comfort and durability. The padded interior provides maxim...
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Color options for Unimax Multi-Purpose Dog Harness Select Black

Select Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Pink

Select Purple

Select Gray

Select Urban Camo

Select Blue Camo

Select Green Camo

Select Pink Camo

Select Aztec

Select Giraffe Gray

Select Leopard Brown

Select Leopard Multi-colored

Select Zebra Black/White

Select Zebra Black/Red

from $35.99

Unimax Multi-Purpose Dog Harness

Dogline Unimax Multi-Purpose Dog Vest Harness with Removable Chest Plate and your own unique Custom Removable Patches. These harnesses are perfe...
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Color options for Dogline Quest Multi-Purpose No Pull Dog Harness Select Black

Select Blue

Select Teal

Select Red

Select Orange

Select Green

Select Pink

Select Purple

Select Urban Camo

Select Green Camo

Select Pink Camo

Select Aztec

from $29.99

Dogline Quest Multi-Purpose No Pull Dog Harness

Show your dog who is in controlThe Dogline Quest No-Pull Dog Harness lets you take control of an over-enthusiastic dog and improve his leash-walki...
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Color options for Comfort Microfiber Round Step-In Dog Harness + Dog Lead Select Black

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Select Teal

Select Red

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Select Lime Green

Select Brown

Select Pink

Select Purple

$19.99

Comfort Microfiber Round Step-In Dog Harness + Dog Lead

Introducing Dogline's New Comfort Microfiber Step-In Dog Harnesses! These Pet Puppy Dog Harness with Leads are made of Durable Microfiber Material ...
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Color options for York Mesh Harness + Built-in Hook & Loop Fasteners Select Black

Select Royal Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Hot Pink

Select Purple

from $13.99

York Mesh Harness + Built-in Hook & Loop Fasteners

Optional removable reflective patches (sold separately) Our York Mesh Harnesses are soft, padded step in harnesses that provide exceptional comfort...
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Color options for Nylon Flat Step-In Dog Harness Select Black

Select Blue

Select Navy Blue

Select Dark Teal

Select Red

Select Orange

Select Green

Select Pink

Select Purple

Select Berry

Select Gray

from $12.99

Nylon Flat Step-In Dog Harness

Our Nylon Flat Step-In Harness offers soft, adjustable tubular nylon, giving it a special rounded edge to ensure maximum comfort for your dog. Make...
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Color options for Mesh Dog Harness Select Black

Select Royal Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Pink

Select Purple

from $13.99

Mesh Dog Harness

These personalized mesh harnesses are made of a lightweight and breathable mesh fabric. Features an adjustable chest strap for an easy fit (neck ...
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Color options for Comfort Microfiber Flat Step-In Dog Harness Select Black

Select Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Brown

Select Pink

Select Purple

from $9.99

Comfort Microfiber Flat Step-In Dog Harness

Our Comfort Microfiber Flat Step-In Harnesses, part of our Comfort Collection, are made of durable Microfiber Material that provides exceptional co...
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Color options for York Mesh Dog Harness Select Black

Select Royal Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Hot Pink

Select Purple

from $13.99

York Mesh Dog Harness

Our York Mesh Harnesses are soft, padded step in harnesses that provide exceptional comfort and durability. The padded interior provides maximum co...
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Color options for Mesh Step-In Nylon Dog Harness + Optional Flower Dog Leash Select Black

Select Blue

Select Red

Select Orange

Select Lime Green

Select Pink

Select Purple

$16.99

Mesh Step-In Nylon Dog Harness + Optional Flower Dog Leash

The Dogline Mesh Step-In Nylon Harness with an optional Flower features a soft mesh harness and strong nylon leash with flower detail. Easy to take...
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Color options for Viper Surge Biothane Working Dog Harness - Stainless Steel Hardware Select Black

$159.99

Viper Surge Biothane Working Dog Harness - Stainless Steel Hardware

Our Surge Biothane Working Dog Harness is created from a high-quality Biothane waterproof coated webbing. A trusted name in national sports league...
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$19.99

Quest Removable Utility Saddlebags + Built-In Waste Bag Dispenser

These optional saddlebags are a for the Quest Harness (sold separately) and are ideal for carrying treats, medications, a first aid kit, and much m...
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Color options for Viper Surge Biothane Working Dog Harness - Brass Hardware Select Black

from $94.99

Viper Surge Biothane Working Dog Harness - Brass Hardware

Our Surge Biothane Working Dog Harness is created from a high-quality Biothane waterproof coated webbing. A trusted name in national sports leagu...
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Color options for Viper Invader Working Dog Harness Select Black

Select Brown

from $95.99

Viper Invader Working Dog Harness

Dogline is proud to introduce the Viper collection, which is geared towards the professional accessory user and workings dogs of intermediate and...
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Color options for Co-Pilot Adjustable No Pull Dog Harness with Handle Select Black

Select Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Pink

Select Purple

Select Green Camo

Select Pink Camo

Select Aztec

from $31.99

Co-Pilot Adjustable No Pull Dog Harness with Handle

The Co-Pilot dog harness features a comfortable design that evenly distributes pressure across your dog’s torso to help reduce pulling and prevent ...
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Color options for Viper Typhoon Leather Working Dog Harness Select Black

Select Brown

from $75.00

Viper Typhoon Leather Working Dog Harness

The Typhoon harness is handcrafted in Europe of genuine full grain leather and features a solid forged brass hardware as well as a felt padded brea...
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Explore Dogline's Harnesses for Large Dogs

A harness for large dog breeds needs reinforced construction that won't give out under pressure, and that's the standard every dog harness for large dogs in our lineup is built to meet. Made from Biothane, leather, and nylon, each large dog harness features reinforced stitching and sturdy hardware designed to stand up to pulling, running, and rough outdoor play. Our Biothane styles are fully waterproof, making cleanup easy after muddy hikes or trips to the park.

Sizing matters most for big dog harnesses, so our large dog harnesses include extra-wide adjustment points and generous sizing to accommodate bigger frames without sacrificing comfort. Front-clip and back-clip configurations let you choose the level of control you need, whether you're working through pulling behavior or just want a dependable everyday fit. Every harness for large dogs comes in a full range of colors, with personalization available through our personalized collars collection.

Dogline's large dog harnesses are designed to handle real use without cutting corners on comfort or durability. Explore our full harness collection, pair your harness with a matching large dog collar, or browse all Dogline products.