Upgrade your little boy's swimwear collection with these Under Armour swim shorts! Made with UPF 50 technology, these swim shorts are perfect for protecting his skin from harmful sun rays while he enjoys a day at the beach or pool. These multicolored swim shorts, designed for boys in size YXL, feature the iconic Under Armour brand name and are perfect for any little boy who loves to stay active in the water. Whether he's swimming, surfing, or just splashing around, these swim shorts are a great addition to his wardrobe.