Islander Mens Swim Trunks 3XL Blue Nylon Mesh Lined Board Shorts. These classic swim trunks feature a comfortable elastic waistband with an adjustable drawstring for a secure fit. Constructed with a durable 100% nylon shell and a full polyester mesh lining, they offer quick-drying performance and breathability. The back includes a single flap pocket with a hook-and-loop closure to keep small essentials safe while at the beach or pool. There is a faint stain on the back seat area as shown in the photos.