The Men's Darius Rucker Collection by Fanatics Heather Gray Seattle Mariners Henley T-Shirt is the perfect way to show your support for the Seattle Mariners. Made from a soft cotton and rayon blend, this comfortable Henley features screen print graphics and a three-button placket. Whether you're cheering on the Mariners at the stadium or just relaxing at home, this shirt is sure to become a favorite.