Osprey - Mutant 38 - Climbing backpack

£ 100.95 incl. VAT
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Attributes & features
Suitable for:
Climbing backpack
Recommended use:
Mountaineering; Mountain touring; Ice/mixed climbing
38 l
210D nylon dobby (100% polyamide); 210D triple rip nylon (100% polyamide)
Carry system:
Thermoformed HDPE back plate with T6061 aluminum frame (both removable); preformed shoulder straps; Hip belt; Chest strap
Airscape back pannel (breathable back panel with venting)
Hydration system:
Additional compartments:
Lid pocket with 2 compartments (detachable); 1 hydration bladder compartment
1110 g (S/M); 1190 g (M/L)
Side ski carrier; Carry system for ropes; Helmet attachment; Loops for equipment; Holder for ice axe; Whistle on chest strap
Item No.:
Product description
High on a ridgeline, winds swirling around your perch, the stability of your pack and gear is of paramount importance—that's why a pack like the Osprey Mutant 38 Backpack is so important. Support and stability come in the form of a removable HDPE framesheet, a removable aluminum stay, and an AirScape back panel that also ventilates as you climb. This top-loading pack features a removable floating top lid to lighten your load for summit day. When removed, you can protect and secure your gear with the FlapJacket closure system. 
To help you haul everything you need, Osprey added its Mutant Dual ToolLock ice-tool system that lets you securely carry, and remove, tools when needed. Side compression straps let you secure your load if it's not quite full, and the A-frame ski carry makes sure that you can get down off the top the fun way. To help keep you from overheating on the way up you can store your helmet in the removable helmet-carry system up top.

  • Reverse wrap hybrid EVA foam hip belt
  • Removable 1.2mm HDPE framesheet
  • Removable aluminum stay
  • AirScape back panel
  • 35-50lb optimum load range
  • Top-load access
  • Removable floating top lid
  • Nylon and polyester
  • FlapJacket closure
  • Internal hydration sleeve fits up to 3L bladder (reservoir not included)
  • Zippered top pocket
  • Zippered mesh pocket under FlapJacket
  • Mutant Dual ToolLock ice-tool system
  • Integrated gear loops on hip belt
  • Side compression straps
  • A-frame ski carry
  • Removable helmet carry system
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This is what customers from around the world say:
Steven's profile picture
| Tromsø

50% have found the reviews
by Steven helpful

Every day, every activity

Had this backpack for two years and have been pretty much using it everyday. Super comfy and spacy. Used all winter for skitouring and every day to go to work. Have been camping with this pack and even wintercamping. If you pack it well, everything fits in this pack!
Intentially bought for multipitching, but due to being more bulcky than I thought I have never used it for this purpose. The strapping system for skis works well on the sides, but in fact it is only the tap strand that gets used. I know the otehr straps can be used for compression, but they will get caught by things. In my opinion they could have replaced this by two signle strands.
I am a bit surprised to see the bottom of the pack starting to show big signs of wear eventhough the pack has been rarely used in rough terrain.

Product images by Steven
  • Advantages
    Good carry system
    Good adjustment options
    Comfortable to carry
  • Disadvantages
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Calina's profile picture
| Meggen

Leichter Rucksack

toller leichter rucksack. wer gerne viel schnickschnak und firlezanz mag sollte sich einen anderen rucksack kaufen. für mich ist das gewicht wichtig. zudem kann man alles nötige (z.b. eispickel) gut befestigen oder verstauen. ich bin sehr zufrieden!

  • Advantages
    Good carry system
    Comfortable to carry
    Good adjustment options
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David 's profile picture
| Aachen

Guter Kletterrucksack

Benutze den Rucksack seit etwa 2 Monaten.
Ursprünglich war der Rucksack als Allrounder geplant, allerdings eignet er sich im Alltag eher weniger, dafür umso mehr beim Klettern.
Hervorragende Einstellmöglichkeiten was das Volumen angeht, tolle Lösung für den Hüftgurt, schön Leicht und toll zu tragen.
Allerdings, und daher der Sternabzug: Ich nehme an, dass der rote Gurt helfen soll Seile zu fixieren. Mir ist aber noch nicht aufgegangen wie genau das funktionieren soll... Und, was wirklich schade ist, das Deckelfach ist toll gemacht, die Helmhalterung gut durchdacht und auch die Möglichkeit den Rucksack mit und ohne Deckelfach zu nutzen ist gut, allerdings muss dafür der Rucksack relativ voll sein. Da das Rückenstück sehr weich und wabbelig ist knickt der obere Teil oberhalb der Gurte nach hinten mit dem Deckelfach weg wodurch das Deckelfach, egal wie sehr man die Gurte anzieht soweit rutscht, dass sich der Rucksack halb öffnet und bei Regen vollläuft. Daher lohnt sich das Deckelfach leider nur bei vollem Rucksack.
Trotzdem ein toller Rucksack.

  • Advantages
    Easy to load
    Useful details
    Good storage options
    Good adjustment options
    Comfortable to carry
  • Disadvantages
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