The Nike Heather Navy Seattle Mariners Knockout Team Stack Tri-Blend T-Shirt is the perfect way to show your support for the Seattle Mariners. Made from a comfortable blend of polyester, cotton, and rayon, this t-shirt features a crew neck and rounded bottom hem for a relaxed fit. The bold Seattle Mariners graphics on the front and back of the shirt will let everyone know who you're rooting for. Whether you're cheering on the Mariners at the stadium or just hanging out at home, this t-shirt is a must-have for any fan.