Berghaus Vapour Rucksack Backpack The adventure light back system is lightweight, comfortable and stable with an airflow Channel for comfort during periods of high exertion Innovative halo side compression straps improve compression efficiently resulting is a more stable load Removable nylon hoop frame which aids load support and a removable inner back pad/sit mat Top lid pocket, Zipped internal lid pocket, side bottle pockets, walking pole attachment and front bungee cord system Externally accessible hydration pack sleeve for fast reservoir fill up and speed access bottle pocket at bottom of pack