Outstanding materials and a wide range of practical features make the Trion Nordwand 20L Rucksack an ideal choice for extreme alpine pursuits.The woven nylon material has a 4,000 mm water column and combines a low weight with enormous robustness. The Dyneema fibers incorporated in the material are 15 times tougher than steel, so that the Trion Nordwand 20 can withstand even the most extreme loads.Thanks to MAMMUT High Reach Technology, its shoulder and carrying system makes it easier to reach upwards, for more freedom of movement while climbing.