This professional 65L Internal Frame Hiking Backpack is a thru hiker's dream, providing both substantial capacity and advanced comfort. With 65 Liters of storage  (empty weight 4lb 10oz), it manages an optimal carry weight of $30-55$ pounds. The Tailored Fit is achieved through Fit Pro technology, allowing for a quick and customized torso fit that can be adjusted on the fly with ease. Say goodbye to sweaty backs with the Amp Flow ventilated back panel, designed to keep you cool and dry on long excursions in the wild. The Aluminum Stay in the internal frame maintains load stability and balance. Organization is simple, featuring a large J-zip top loading access to the main compartment, This wholesale hiking backpack dedicated sleeping bag compartment, and plenty of pockets like daisy chains and water bottle pockets.