Ducan spine hiking backpack has a special back system Active spine technology, which thanks to the swiveling flexible cuff moves differently for the upper and lumbar part of the back. It also provides a balanced load distribution and maximum freedom of movement. The backpack has a roll top closure and can be increased by up to 10 liters. It is equipped with 2 side pockets, an integrated raincover, loops for trekking poles, pockets on shoulder straps and a waist belt. For easier access the backpack has a long zipper on the frontof backpack.