Trion Nordwand 15 - the alpine lightweight with practical access on the go. The carrying system of this alpine backpack is inspired by light trail running vests and offers a light weight, comfort and freedom of movement with a perfect fit when climbing. Mesh pockets on the shoulder strap enable direct access. As well as this, the Trion Nordwand 15 has all the features alpine climbers need thanks to our top athletes Nico Hojac and Stephan Siegrist, who were significantly involved in its development. Trion Nordwand 15 - the extremely versatile backpack for mountaineers.