Seattle Mariners Dog Jersey - Pets First MLB Licensed Pet Jersey

Rep the Seattle Mariners with your pup by your side. The Pets First Seattle Mariners Dog Jersey is an officially licensed MLB pet jersey featuring authentic Mariners colors and logo - built for dogs who are part of the fan family from the very first pitch.

Designed with a comfortable pullover fit, this jersey gives your dog the freedom to move naturally whether you're at a backyard watch party, heading out for a walk, or showing off at the park. The lightweight construction keeps things comfortable while the bold team graphics do the talking.

Available in XS through XXL to fit a wide range of breeds and body types - from small dogs to larger pups.

Key Benefits

• Officially licensed by Major League Baseball - authentic Seattle Mariners colors and logo
• Comfortable pullover design - easy to put on and take off
• Lightweight fabric - keeps dogs comfortable during wear
• Freedom of movement - designed to accommodate an active dog's lifestyle
• Available in XS, SM, MD, LG, XL, and XXL for a wide range of breeds and sizes
• Vibrant, eye-catching graphics that hold up over time
• Great for game days, walks, outings, and fan events

Why Pet Owners Love It

Seattle Mariners fans know that game day is better with the whole crew - including the dog. This jersey makes it easy to bring your pup into the tradition without any fuss. It's a practical, fun piece of fan gear that sparks conversations and shows off your team loyalty wherever you go.

Quick Product Snapshot

Sizing and Fit Guidance

This jersey is available in six sizes - XS, SM, MD, LG, XL, and XXL - to accommodate a wide range of dog breeds and body types. For the best fit, measure your dog's chest girth and back length before selecting a size. A properly fitted jersey should allow comfortable movement without being too loose or restrictive. Refer to the Pets First size chart for breed-specific recommendations.

Ideal For Dogs Who...

• Join their owners for game-day gatherings and watch parties
• Enjoy walks, outings, and social events where they can show off their style
• Belong to Seattle Mariners fans who want to include their pet in team traditions
• Need a comfortable, easy-wear apparel option for everyday use
• Are gifted to baseball-loving pet owners looking for a spirited, practical gift

Frequently Asked Questions

Is this jersey officially licensed by MLB?
Yes, this jersey is officially licensed by Major League Baseball and features authentic Seattle Mariners team colors and logo.

How do I choose the right size?
Measure your dog's chest girth and back length, then compare to the Pets First size chart. Sizes range from XS to XXL to fit most breeds.

Is the jersey easy to put on?
Yes, it features a pullover style that makes dressing your dog quick and straightforward.

Can my dog wear this for outdoor activities?
Yes, the jersey is designed for everyday wear including walks, outings, and casual outdoor activities.

Product Highlights

• Officially licensed Seattle Mariners MLB dog jersey
• Authentic team colors and logo graphics
• Comfortable pullover fit with freedom of movement
• Available in XS, SM, MD, LG, XL, and XXL
• Lightweight and easy to wear
• Perfect for game days, walks, and fan events
• Makes a great gift for baseball-loving pet owners

Product Specifications