Does your love for the Seattle Mariners never miss a beat, regardless of the weather? If you're the #1 fan then you need to add this crew T-shirt from Under Armour into your collection of game day gear. It features HeatGear technology, which regulates your body temperature and wicks away moisture, so you can stay cool and dry while you encourage your team onto another victory in the hot weather. The Seattle Mariners-inspired printed graphics will leave no doubt of who you support this season. Whether you're enjoying a refreshing beverage in the parking lot or losing your voice in the stands, this Seattle Mariners tee will make you feel like a true die-hard fan.