Building sandcastles, collecting shells or splashing around in the water–there's plenty to do at the beach! When he's wearing his Boys Marble Shorts from Jack Wolfskin your little boy will stay cool & comfortable in the summer heat & thanks to the fabric's high UPF he will also be protected from the sun & if a freak wave catches him out, it's not a problem. The fabric is salt water resistant & dries out in next to no time.