The Sassy Woof Dog Adjustable Harness - MLB x Peanuts™ Boston Red Sox™ features Snoopy with baseball icons, the team logo, and branding. It includes a patented badge—perfect for your puppy’s growth plan.
The Dog Adjustable Harness - MLB x Peanuts™ Boston Red Sox™ by Sassy Woof features Snoopy and Woodstock designs, adjustable straps, mesh padding for growing puppies, a black Sassy Woof label, and a patented badge in blue and red.
Neck(N): Measure where a collar naturally sits. Chest(C): Measure widest part of dog's chest. Size XXS – N: 8–11 in (20–27 cm), C: 10–14 in (25–35 cm). Size XS – N: 10–16 in (26–40 cm), C: 14–19 in (35–47 cm). Size S – N: 14–19 in (36–47 cm), C: 16–21 in (41–54 cm). Size M – N: 17–20 in (43–51 cm), C: 18–25 in (46–62 cm). Size L – N: 18.5–22 in (47–57 cm), C: 22–33 in (57–83 cm). Size XL – N: 20–25 in (50–63 cm), C: 24–35 in (60–89 cm). Size XXL – N: 22–29 in (56–74 cm), C: 25 - 37 inches (64–94 cm).
Infographic of Sassy Woof's Dog Two Piece Bundle - The Powerpuff Girls™ (Pink), featuring soft mesh fabric, neck and back adjustments, solid metal D-rings, and an easy-release buckle on a pastel gradient background.

Dog Adjustable Harness - MLB x Peanuts™ Boston Red Sox™

$ 39.99 USD
Size:XSmall
Neck(N): Measure where a collar naturally sits. Chest(C): Measure widest part of dog's chest. Size XXS – N: 8–11 in (20–27 cm), C: 10–14 in (25–35 cm). Size XS – N: 10–16 in (26–40 cm), C: 14–19 in (35–47 cm). Size S – N: 14–19 in (36–47 cm), C: 16–21 in (41–54 cm). Size M – N: 17–20 in (43–51 cm), C: 18–25 in (46–62 cm). Size L – N: 18.5–22 in (47–57 cm), C: 22–33 in (57–83 cm). Size XL – N: 20–25 in (50–63 cm), C: 24–35 in (60–89 cm). Size XXL – N: 22–29 in (56–74 cm), C: 25 - 37 inches (64–94 cm). Neck(N): Measure where a collar naturally sits. Chest(C): Measure widest part of dog's chest. Size XXS – N: 8–11 in (20–27 cm), C: 10–14 in (25–35 cm). Size XS – N: 10–16 in (26–40 cm), C: 14–19 in (35–47 cm). Size S – N: 14–19 in (36–47 cm), C: 16–21 in (41–54 cm). Size M – N: 17–20 in (43–51 cm), C: 18–25 in (46–62 cm). Size L – N: 18.5–22 in (47–57 cm), C: 22–33 in (57–83 cm). Size XL – N: 20–25 in (50–63 cm), C: 24–35 in (60–89 cm). Size XXL – N: 22–29 in (56–74 cm), C: 25 - 37 inches (64–94 cm).
Quantity:
The image shows the MLB logo above PEANUTS in the signature comic font, showcasing a collaboration with products like Sassy Woof's Dog Adjustable Harness - MLB x Peanuts™ Los Angeles Dodgers™.
Hey batter batter, hey batter batter, swing! Join Sassy Woof in celebrating America's past time with our MLB x Peanuts™ Boston Red Sox™ collection! Featuring Snoopy up to bat, in the field, and your favorite baseball team's logos!

Major League Baseball trademarks and copyrights are used with permission of Major League Baseball. Visit MLB.com.
© 2025 Peanuts Worldwide LLC

* Only available to U.S. and Canada customers 

Description

Our original patented design features:

  • Two D-rings:
  • One D-ring on back for leash attachment
  • Another versatile front D-ring that can be used for "no pull" or tags 
  • Custom printed neoprene fabric with breathable mesh
  • Adjusts at the neck and chest for the perfect fit
  • Sizes from XSmall to XLarge
  • Pair this harness with our matching collar, leash, and bandana!
Puppy Growth Pawtection Plan (U.S. ONLY):
This harness qualifies for our Puppy Growth Pawtection Plan (PGPP), which will let you replace this harness for a larger one within 9 months because of natural growth! The PGPP must be added at the time of purchase. Find pricing information and other details here. 

Sizing & Care Instructions

Colorful size chart for Sassy Woof's Dog Adjustable Harness - Chillin with my Gnomies. Features a pink dog, neck & chest measurements (in/cm), sizes XXS–XXL, and options like puppy and no pull harnesses.

  • Spot clean with soap and water. Hang to dry.

 

How-To Videos

 

Shop the Collection
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The Sassy Woof Dog Bandana - MLB x Peanuts™ Boston Red Sox™ features Snoopy, baseball gloves, bats, and team logos with MLB and Peanuts tags—perfect for fans seeking stylish Snoopy dog accessories.The Sassy Woof Dog Bandana - MLB x Peanuts™ Boston Red Sox™ is a blue triangle bandana featuring Snoopy, baseball icons, hearts, and Red Sox text, plus an official MLB Peanuts label.
Dog Bandana - MLB x Peanuts™ Boston Red Sox™
$ 16.99 USD
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The Sassy Woof Dog Collar - MLB x Peanuts™ Boston Red Sox™ is a blue adjustable collar with small Snoopy and baseball graphics, Boston Red Sox and MLB logos, plus black plastic buckles and metal rings.The Sassy Woof Harness Three Piece Bundle - MLB x Peanuts™ Boston Red Sox™ features a blue and red adjustable dog collar with black buckle and fun B and baseball graphics—great for pairing with the matching harness and leash for sporty walks.
Dog Collar - MLB x Peanuts™ Boston Red Sox™
$ 19.99 USD
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The Dog Two Piece Bundle - MLB x Peanuts™ Boston Red Sox™ by Sassy Woof features a blue baseball leash with repeating Snoopy and red “B” designs, branded labels, a black metal clasp, and a bright red underside.The Sassy Woof Dog Leash - MLB x Peanuts™ Boston Red Sox™ features a blue design with repeating Snoopy and red B pattern, black metal clasp, red underside, and black Sassy Woof label—ideal for Boston Red Sox fans!.
Dog Leash - MLB x Peanuts™ Boston Red Sox™
$ 24.99 USD
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The Sassy Woof Dog Two Piece Bundle - MLB x Peanuts™ Boston Red Sox™ features a blue and red Snoopy harness and baseball dog leash with Peanuts characters and team logos, shown on a white background with a patented badge.The Sassy Woof Dog Adjustable Harness - MLB x Peanuts™ Boston Red Sox™ features Snoopy with baseball icons, the team logo, and branding. It includes a patented badge—perfect for your puppy’s growth plan.
Dog Two Piece Bundle - MLB x Peanuts™ Boston Red Sox™
$ 54.99 USD
Grab the bundle
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The Sassy Woof Harness Three Piece Bundle – MLB x Peanuts™ Boston Red Sox™ features Snoopy and Woodstock with baseball-themed details, official logos, red trim—ideal for fans—and includes the Puppy Growth Pawtection Plan.The Sassy Woof Dog Adjustable Harness - MLB x Peanuts™ Boston Red Sox™ features Snoopy with baseball icons, the team logo, and branding. It includes a patented badge—perfect for your puppy’s growth plan.
Harness Three Piece Bundle - MLB x Peanuts™ Boston Red Sox™
$ 65.99 USD

What We're About

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Icon displaying a smaller paw print with an arrow pointing to a larger paw print. Text below the icon reading "Puppy Growth Pawtection Plan"A icon showing a chain with tension. Text below reading "Lab Tested, Pup Approved"
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For every purchase, Sassy Woof donates to a pup in need. We support other organizations through the giving of our time and donations.