Find the perfect gift for dad this Father's Day by shopping our selection of Mariners Father's Day gifts at Fanatics. From Mariners #1 Dad shirts to Seattle Mariners polos and sweatshirts, our Seattle Mariners Father's Day apparel is available in a variety of styles and sizes so your dad can represent his team in a style he loves. Check out our assortment of Seattle Mariners men's accessories such as wallets, watches, ties, pint glasses, mugs and so much more. Snag an official Mariners Father's Day hat he can proudly wear on display or add to his collection with authentic Seattle Mariners memorabilia. However you choose to celebrate dad this Father's Day, Fanatics has got you covered with the best selection of team-spirited Mariners Father's Day gear at our shop. Check back for new arrivals for every holiday and surprise your loved ones with gifts that embrace their team pride.