She's been known to jump in the lake in the morning, climb trees all afternoon, build a fort come evening, and swim again when it gets dark, so she'll dig the Patagonia Baggies Girls' Short. It's made of quick-drying nylon and treated with a water-repellent coating so she won't stay wet when she's done swimming, and has a gusseted crotch for easy tree climbing and comfortable fort building.