Official Red Sox Plus Sizes jackets are here at Fanatics.com so you can show your support for your team throughout the year. No matter the weather, an authentic Boston Red Sox jacket will keep you warm and game day ready. Our Plus Sizes Boston Red Sox jackets are available in a variety of styles for every fan, including windbreakers, Red Sox starter jackets, Boston Red Sox throwback jackets, full-zip jackets, pullover jackets and much more. A new Red Sox varsity jacket would make a great addition to your game day wardrobe. Every fan can find a MLB Red Sox jacket that fits their style when that shop at Fanatics.