This Rokka & Rolla Boys' Stretch Swim Trunks with Mesh Lining, UPF 50+ Sizes 4-18 is your boys' must have beachwear essential. The boys' board shorts are equipped with UPF 50+ for enhanced UV sun protection. With breathable, mesh fabric to allow your boys to remain lightweight when swimming. These boys' swim trunks have an elastic-drawstring waistband to help secure tightly when performing rigorous activities. With quick-dry microfibers to help improve the water-resistance in the swimsuit. It also helps dry faster when your boys are out from the water-based sports activities. Also featuring two side pockets for this boys' swim trunks.