Enjoy cheering your team on in your favorite Seattle Mariners crew neck sweaters, long sleeve shirts and more. Enjoy all of your favorite fan apparel for any occasion whether you are at work or just out with friends we have the shirts and sweaters for you. Browse through our collection of cardigans, long sleeve button-ups, v-neck sweaters and more. Celebrate each and every moment with your team with all of the latest fan attire in our inventory. View our entire selection of Mariners sweaters for men, women and kids. Choose the color and design that speaks to your love for the team. Have fun supporting your team in your new Mariners fan apparel. Don't forget to snag the team's popular ugly sweater as well. Check out all of the Seattle Mariners fan gear here at the MLB shop.