VersaFit adjustable torso to provide the proper fit for growing Hikers Seamless hipbelt design for Hotspot free comfort Padded, 3D foam backpanel to provide close-to-back breathability Perforated Foam shoulder harnesses for breathability and an integrated safety whistle Top pocket design with Zippered security pocket on the underside Front stretch mesh pocket with durable fabric panel for abrasion resistance A top-loading pack designed for the growing hiker. 3D foam, adjustable torso backpanel and body-hugging hipbelt with zippered pockets, and a quick-adjust torso length system make finding the perfect fit easy. Complete with sleeping bag access, large stretch mesh front pocket, simple designs, and lots of bells and whistles.