*PLEASE NOTE THAT THE OSPREY XENITH AND XENA PACKS REQUIRE CUSTOM HEAT MOULDING. Designed to handle large loads on extended trips; the Osprey Mens Xenith 105L Hiking and Mountaineering Backpack is the perfect expedition pack when you’re going unsupported for a month-long circumnavigation of the Karakorum. The Xenith 105 is loaded with technical features that expedition climbers will appreciate. LightWire suspension and dual side compression straps keep the load stable even when moving through rugged terrain. The heat-molded BioForm harness and hipbelt provides a precise customized fit to ensure all day comfort and a mesh backpanel keeps you cool if the temps heat up as you climb toward the distant peak. The top of the pack is a dual compartment that can also be removed to save weight or converted into a lumbar pack for summit dashes. Two zippered hipbelt pockets keep your phone; snacks and essential items organized and close at hand. External stretch mesh pockets;two side and one rear;allow more grab and go storage options. An external hydration sleeve allows easy access to make liquid refills a snap. There are dual ice axe loops for alpine adventures and the Stow-on-the-Go trekking pole storage system lets you stash your sticks without breaking stride.