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