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Medium Dog Harnesses

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Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 1 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 2 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 3 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 4 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 5 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 1 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 2 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 3 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 4 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 5 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 1 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 2 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 3 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 4 of 5
Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck slide 5 of 5
New

Doggie Design Active Mesh Dog Harness with Leash, Blue & Red, Medium: 15 to 18-in neck

$19.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 26

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Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 1 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 2 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 3 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 1 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 2 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 3 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 1 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 2 of 3
Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest slide 3 of 3

Pet Passion Remy Recycled Ribbon Dog Harness, Pink Camo, Medium: 19 to 22-in chest

Rated 3.9 out of 5 stars
7
$7.69 Chewy Price
$22.00 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 26

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SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 1 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 2 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 3 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 4 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 5 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 6 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 7 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 8 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 1 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 2 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 3 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 4 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 5 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 6 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 7 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 8 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 1 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 2 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 3 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 4 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 5 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 6 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 7 of 8
SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest slide 8 of 8

SlowTon Car Safety Dog Harness with Seat Belt, Black, Medium: 21.5 to 27-in chest

Rated 4.4 out of 5 stars
715
$18.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 1 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 2 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 3 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 4 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 5 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 6 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 1 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 2 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 3 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 4 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 5 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 6 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 1 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 2 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 3 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 4 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 5 of 6
Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest slide 6 of 6

Lucy & Co. The Simply Splendid No-Pull Dog Harness, Blue, Medium: 17 to 23-in chest

Rated 4.1 out of 5 stars
52
$24.32 Chewy Price
$32.00 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Frisco Outdoor Premium Ripstop Nylon Dog Harness with Pocket, Boysenberry Purple, M - Girth: 20...

By
Rated 4.4 out of 5 stars
680
$28.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Ruffwear Hi & Light Reflective Front-Clip Dog Harness, Basalt Gray, Medium: 27 to 32-in chest

Rated 4.6 out of 5 stars
384
$49.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Best Pet Supplies Voyager Black Trim Mesh Dog Harness, Blue, Medium

Rated 4.3 out of 5 stars
4,385
$14.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Wild One Adjustable Cushioned Dog Harness, Tan, Medium

Rated 4.1 out of 5 stars
179
$48.00 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Frisco Basic No Pull Harness, Navy/Blue, MD

By
Rated 4 out of 5 stars
397
$8.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Chai's Choice Premium Outdoor Adventure 3M Polyester Reflective Front Clip Dog Harness, Purple,...

Rated 4.4 out of 5 stars
2,990
$32.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

PetSafe EasySport Nylon Reflective Back Clip Dog Harness, Pink, Medium: 26 to 32-in chest

Rated 4.2 out of 5 stars
1,088
$23.47 Chewy Price
$28.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Pawtitas Nylon Reflective Back Clip Dog Harness, Teal, Medium/Large: 22 to 28-in chest

Rated 4.2 out of 5 stars
648
$34.99 Chewy Price
$53.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Doggie Design American River Ombre Nylon Reflective Back Clip Dog Harness, Raspberry Sundae, Me...

Rated 4.1 out of 5 stars
734
$19.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Gooby Escape Free Easy Fit X Dog Harness, Portland Green, Medium: 16 to 19.75-in chest

Rated 4.6 out of 5 stars
213
$35.60 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Jul 22 and Jul 26

Sunny Tails Cloud Lite Waterproof Dog Harness, Malibu Blue, Medium: 20 to 29-in chest

Rated 4.2 out of 5 stars
75
$44.00 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

2 Hounds Design Freedom No Pull Nylon Dog Harness & Leash, Teal, Medium: 22 to 28-in chest, 1-i...

Rated 4.3 out of 5 stars
1,533
$45.96 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Best Pet Supplies Voyager Padded Fleece Dog Harness, Beige, Medium

Rated 4.4 out of 5 stars
827
$13.99 Chewy Price
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Red Dingo Classic Nylon Back Clip Dog Harness, Dark Blue, Medium: 17.7 to 26-in chest

Rated 4.4 out of 5 stars
1,016
$25.95 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Frisco Fashion Over-The-Head Harness, Pink Plaid, Medium

By
Rated 4.3 out of 5 stars
71
$7.22 Chewy Price
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

PetSafe 3-in-1 Reflective Dog Harness with Car Control Strap, Plum, Medium: 24 to 34-in chest

Rated 4.2 out of 5 stars
875
$29.99 Chewy Price
$37.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Pink Papyrus Adjustable Cushioned Dog Harness, Purple, Medium: 20 to 28-in chest

Rated 4.3 out of 5 stars
352
$39.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Doggie Design American River Solid Ultra Choke Free Dog Harness, Candy Pink, Medium: 16 to 19-i...

Rated 5 out of 5 stars
6
$19.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 26

Gooby Escape Free Sport Dog Harness, Red, Medium: 14.25 to 21.5-in chest

Rated 4.4 out of 5 stars
132
$19.73 Chewy Price
$33.75 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 26

Puppia Vivien A Style Polyester Back Clip Dog Harness, Pink, Medium: 15 to 22-in chest

Rated 4 out of 5 stars
796
$23.83 Chewy Price
$24.00 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

New

Lucy & Co. Main Squeeze Crochet No-Pull Dog Harness, Medium: 17 to 23-in chest

$40.00 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Best Pet Supplies Voyager All Season Mesh Dog Harness, Fuchsia, Medium

Rated 4.5 out of 5 stars
1,002
$14.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Frisco Outdoor Purple Ombre Style Dog Harness, M - Girth: 20-28-in

By
Rated 4 out of 5 stars
110
$12.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Kurgo Journey Air Polyester Reflective No Pull Dog Harness, Coastal Blue/Charcoal, Medium: 18 t...

Rated 4.3 out of 5 stars
819
$31.02 Chewy Price
$44.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Non-stop Dogwear Line 5.0 Dog Harness, Orange, 5: 20.5 to 30.7-in chest

Rated 4.5 out of 5 stars
18
$54.99 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Jul 22 and Jul 27

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Pawtitas Solid Dog & Cat Harness, Pink, Medium: 18 to 28-in chest

Rated 4 out of 5 stars
191
$16.99 Chewy Price
$30.58 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Curli Air-Mesh Small Dog Harness, Ruby, Medium

Rated 4.5 out of 5 stars
428
$29.45 Chewy Price
$33.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Halti Anatomy Reflective Dog Harness, Magenta, Medium: 19 to 26.75-in chest

Rated 4.2 out of 5 stars
96
$47.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Doggie Design American River Polka Dot Collection Choke Free Dog Harness, Pink Polka Dot, Mediu...

Rated 5 out of 5 stars
1
$19.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 26

Industrial Puppy Reflective Hook & Loop Strap Dog Harness, Black, Medium

Rated 4.3 out of 5 stars
149
$28.41 Chewy Price
$29.95 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Chai's Choice Service Dog Harness, Red, Medium: 23 to 30-in chest

Rated 4.4 out of 5 stars
996
$32.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Gooby Comfort X Dual Snap Mesh Dog Harness, Ocean, Medium: 16 to 19.75-in chest

Rated 4.7 out of 5 stars
27
$27.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 26

Category

Breed Size

Color Family

Harness Type

Lifestage

Features

Brand

7 Brands are shown below

Leash Size

Pattern

Closure Type

Material

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