Our super-sized pack. With rugged materials, an ergonomic design and the same attention to detail as our hiking packs, it's built to last through years of school and all of life's adventures. Rugged 300-denier ripstop polyester and 420-denier ripstop nylon body. Spot clean. Separate padded laptop compartment; accommodates most laptops up to 15". Extra-durable 1000-denier nylon bottom. Sternum strap and tuck-away waist belt help stabilize heavy loads. Stretch water bottle pockets. Structured, padded back panel and straps with breathable mesh for improved air flow. Generous main compartment easily holds large books and binders. Rugged, reliable YKK zippers. Structured, padded back panel and straps with breathable mesh for improved air flow. Front stuff pocket for extra gear or a light jacket. Built-in organizer panel with multiple zippered pockets. Front and top pockets give you quick access to your phone and other essential items. Comfortable, adjustable ergonomically shaped shoulder straps with mesh for improved air flow. Reflective trim for 360-degree visibility. Imported.