Osprey Mutant 38 is an excellent mountaineering and climbing backpack even in the most demanding situations, from summit climbs, to multipitch routes and ice falls. Developed with the help of local athletes and guides and perfected over years of mistreatment in extreme situations, the fit and characteristics of this backpack guarantee safety and stability even in the worst conditions. Made of certified high tenacity 210D recycled nylon with DWR coating it is water repellent and super resistant to tearing and abrasion. Thanks to the numerous dedicated technical details, you can take with you: ice axes, trekking poles, rope, skis, ice screws, helmet, hydration bladder and much more. The paired back shoulder straps are exceptional in terms of comfort and stability. You can adjust the various buckles until you find the perfect fit and wear the backpack all day without the hassle. Osprey Mutant 38 mountaineering climbing backpack