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Medium Dog Harnesses

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Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 1 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 2 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 3 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 4 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 5 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 6 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 7 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 8 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 9 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 1 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 2 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 3 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 4 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 5 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 6 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 7 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 8 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 9 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 1 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 2 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 3 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 4 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 5 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 6 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 7 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 8 of 9
Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest slide 9 of 9

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Lucy & Co. Spring Green No Pull Dog Harness, Medium: 17 to 23-in chest

Rated 4 out of 5 stars
3
$32.00 Chewy Price
Autoship Price

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

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Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 1 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 2 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 3 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 1 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 2 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 3 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 1 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 2 of 3
Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 21-in chest slide 3 of 3

Buckle-Down The Wizarding World of Harry Potter Gryffindor Checker Dog Harness, Medium: 17 to 2...

Rated 3 out of 5 stars
7
$13.95 Chewy Price
$17.95 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 5 and Sep 9

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The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 1 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 2 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 3 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 1 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 2 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 3 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 1 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 2 of 3
The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest slide 3 of 3

The Worthy Dog Chomp Sidekick Dog Harness, Blue, Medium: 18 to 21-in chest

Rated 5 out of 5 stars
6
$32.50 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

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LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 1 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 2 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 3 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 4 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 5 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 6 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 1 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 2 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 3 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 4 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 5 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 6 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 1 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 2 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 3 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 4 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 5 of 6
LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest slide 6 of 6

LupinePet Reflective Diamonds Adjustable Dog Harness, Pink Diamond, Medium: 14 to 24-in chest

Rated 4.3 out of 5 stars
6
$34.29 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

DOOG Step In Neoflex Lady Neon Dog Harness, Neon Pink, Medium: 16 to 22-in chest

Rated 4 out of 5 stars
3
$28.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Puppia Douglas Over-The-Head Adjustable No-Pull Dog Harness, Black, X-Large

Rated 3 out of 5 stars
1
$37.00 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 3 and Sep 7

Barbour Fleece Dog Harness, Olive, Medium: 17 to 22-in chest

Rated 4.3 out of 5 stars
10
$50.00 Chewy Price
Autoship Price

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

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Lucy & Co. The In the Clouds Reversible Dog Harness, Pink, Large: 20 to 28-in chest

Rated 4.4 out of 5 stars
16
$32.00 Chewy Price
Autoship Price

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

LupinePet Original Designs Alpen Glow Step In Dog Harness, Medium: 19 to 28-in chest, 1-in wide...

Rated 5 out of 5 stars
2
$34.29 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

The Worthy Dog Sidekick Be Mine Reflective Step In Dog Harness, Red, Large: 21 to 24-in chest

Rated 5 out of 5 stars
1
$32.50 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

DOOG Reflective Neotech Lady Dog Harness, Pink, Medium: 14.96 to 19.29-in chest

Rated 5 out of 5 stars
2
$47.99 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 4 and Sep 8

Puppia Irvin Comfort Step-In Adjustable No-Pull Dog Harness, Mustard, X-Large

Rated 5 out of 5 stars
3
$24.69 Chewy Price
$35.00 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 3 and Sep 7

Doggie Design Wrap & Snap Choke Free Catching Waves Dog Harness, Medium: 17 to 20-in chest

$19.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

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Lucy & Co. Italian Vacay Reversible Dog Harness, Medium: 17 to 23-in chest

Rated 3.7 out of 5 stars
3
$31.40 Chewy Price
$32.00 List Price
Autoship Price

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

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Lucy & Co. Sipping Slowly Reversible Dog Harness, Medium: 17 to 23-in chest

Rated 5 out of 5 stars
1
$32.00 Chewy Price
Autoship Price

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

LupinePet Dapper Dog Adjustable Dog Harness, Medium: 20 to 32-in chest

Rated 5 out of 5 stars
2
$34.29 Chewy Price
$36.50 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof MLB x Peanuts New York Yankees Adjustable Dog Harness, Medium: 18 to 25-in chest

Rated 4.8 out of 5 stars
6
$34.99 Chewy Price
Autoship Price

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

DOOG Reflective Neotech Beethoven Dog Harness, Blue/Orange/Black, Medium: 14.96 to 19.29-in che...

Rated 4 out of 5 stars
5
$47.99 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 4 and Sep 8

LupinePet Original Designs El Paso Adjustable Dog Harness, Small: 12 to 20-in chest, 1/2-in wid...

Rated 3 out of 5 stars
5
$22.55 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Puppia Pawprint Over-the-Head No-Pull Dog Harness, Beige, Medium: 15.2 to 21.5-in chest

Rated 3.7 out of 5 stars
3
$27.14 Chewy Price
$32.00 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 3 and Sep 7

Sassy Woof MLB x Peanuts Atlanta Braves Adjustable Dog Harness, Medium: 18 to 25-in chest

$34.33 Chewy Price
$34.99 List Price
Autoship Price

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

Lucy & Co. Dolce Vita Reversible Dog Harness, Medium: 17 to 23-in chest

$32.00 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 Space Doodle Reversible Dog Harness, Navy, Medium: 17 to 23-in chest

Rated 4.3 out of 5 stars
31
$31.72 Chewy Price
$32.00 List Price
Autoship Price

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

Sassy Woof Hot Dawg Adjustable Dog Harness, Medium: 18 to 15-in chest

$26.24 Chewy Price
$31.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

LupinePet Valentine Adjustable Step In Dog Harness, Lovable Gnomes, Medium: 19 to 28-in chest, ...

$34.29 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof Cinnamoroll Adjustable Dog Harness, Medium: 18 to 25-in chest

Rated 5 out of 5 stars
1
$28.53 Chewy Price
$34.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof Pompompurin Dog Harness & Leash, Medium: 18 to 25-in chest

Rated 5 out of 5 stars
1
$41.24 Chewy Price
$54.99 List Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 4 and Sep 8

LupinePet Original Designs Tail Feathers Adjustable Dog Harness, Small: 12 to 20-in chest, 3/4-...

Rated 4 out of 5 stars
3
$28.44 Chewy Price
$28.49 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof Aurora Adjustable Dog Harness, Medium: 17 to 20-in chest

Rated 3.9 out of 5 stars
13
$27.99 Chewy Price
$29.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof Rugrats Dog Harness, Medium: 18 to 25-in chest

Rated 5 out of 5 stars
8
$32.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof Disney Princess Belle Adjustable Dog Harness, Medium:18 to 25-in chest

Rated 5 out of 5 stars
2
$32.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Sassy Woof MLB x Peanuts Philadelphia Phillies Adjustable Dog Harness, Medium: 18 to 25-in ches...

Rated 3.5 out of 5 stars
2
$34.99 Chewy Price
$39.99 List Price
Autoship Price

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

Sassy Woof Peanuts Beagle Bells Adjustable Dog Harness, Medium: 18 to 25-in chest

Rated 5 out of 5 stars
3
$32.99 Chewy Price
Autoship Price

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

K9 Sport Sack Dog Harness, Orange, Medium

Rated 3.8 out of 5 stars
6
$16.54 Chewy Price
$29.95 List Price
Autoship Price

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

Sassy Woof MLB x Peanuts Chicago White Sox Adjustable Dog Harness, Medium: 18 to 25-in chest

$34.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

Littlearth NHL Velvet Dog Harness, Vegas Golden Knights, Medium

Rated 4.5 out of 5 stars
4
$37.00 Chewy Price
$39.99 List Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 6 and Sep 10

Category

Breed Size

Color Family

Harness Type

Lifestage

Features

Brand

7 Brands are shown below

Leash Size

Pattern

Closure Type

Material

Collection

Deals & Savings

Price

Customer Rating