Represent your Seattle Mariners pride in style with this Tommy Bahama Delray IslandZone Half-Zip Top. This lightweight pullover is made from recycled polyester and spandex, and features side and underarm insets for added mobility. With UPF 30 protection, you'll stay safe from the sun while cheering on the Seattle Mariners. This pullover is perfect for a day at T-Mobile Park or any sunny day.