Features Fabric/Nylon VersaFit adjustable suspension Wishbone Wire internal frame Top-loading design with cinch closure and compression lid Oversized U-zipper main compartment access for easy packing and unpacking Large zippered external front pocket for easy trail Description Product Description As first backpacks go, there are few-if any-that can match the quality and capabilities of the Wander 50. Designed with adjustable VersaFit suspension to fit ages 10 through 18, this pack nevertheless boasts the full complement of features and technology found in adult Gregory packs, including our lightweight load-bearing Wishbone Wire internal frame. With 52 liters of capacity (in size Small/Medium), this pack is perfect for overnight, weekend and three-day excursions.