The berghaus wilderness 6515 rucksack is a generous sized rucksack that offers comfort and plenty of storage options making it the pinnacle of berghaus backpacking range ideal for your next multiday backpacking adventure the wilderness has a biofit back system which allows for a bespoke fit adjustment on the move it also features an adjustable sternum strap precurved hipbelt with side tension straps and top tension straps so that you can quickly and easily adjust the rucksack to offer you the m