Aquaman and The Flash's favorite swim trunks. Polonio Runner Swim Trunks are ideal for swimming and running enthusiasts alike. They are constructed from soft quick-dry lightweight performance fabric with water-resistant coating. The trunks are lined with a supportive open-hole mesh giving you the freedom and flexibility you would expect to find only in a yoga short. They feature two side slit pockets with a rubber bonded back zip pocket for your key and credit card. The future of swimming and running has arrived.