Southern Marsh Harbor Swim Trunks. Lightweight and comfortable, our Harbor Swim Trunk - Neon Palms features a vibrant palm tree pattern, capturing the laid-back feel of the beach with swaying palms in bold colors. These trunks are designed to keep you cool and comfortable whether you're at the beach or on the boat. Finished with a drawstring waistband and pockets for convenience, these trunks are perfect for all your summer adventures! No built-in liner—pair it with your favorite performance boxers or compression shorts.