Fanatics is fully stocked on officially licensed Plus Sizes Mariners sweatshirts and hoodies so every fan can stay comfortable while supporting their team. Snag a new Seattle Mariners Plus Sizes hoodie to add to your wardrobe and stay warm throughout the year. From Mariners pullover hoodies and Plus Sizes Mariners crewneck sweatshirts to zip-up hoodies and more, Fanatics.com offers an unbeatable selection of Plus Sizes Seattle Mariners sweatshirts and more cold weather gear. Mariners fleece and hoodies are available at Fanatics in a variety of styles and sizes for all fans. Check back for new additions so you can grab an authentic Seattle Mariners sweatshirt for every event from Spring Training to the World Series.