Head right from the office to the game with the Antigua Men's Seattle Mariners Dynasty Long Sleeve Button Down Shirt. Made of 55% cotton and 45% polyester for comfortable wear, this button-down shirt features long sleeves with cuffs and a chest pocket for a polished look. A team graphic on the left chest lets everyone know who you root for. Self-fabric collar. Antigua branding. Pick out more fan attire at Academy.com.