Duvin Side Block Swim Trunks. Meet your new favorite beach trunk. Duvin's Swim Trunks are your new go-to for leisurely days in the sun. These vintage trunks are made from quick-dry fabric in a comfort short/wide fit. Every pair is equipped with a tearaway size tag for max waist comfort. Pair it with your favorite Duvin tee and hat. Relaxed elastic waistband. Premium soft boxer-brief liner. Hook-and-loop back pocket with drain hole. 5" inseam. 100% Polyester. Machine wash. Imported.