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A pack designed for year-round ascents. Super light, flexible, strippable and seasonally versatile you can rely on this perennial climbing partner. In the winter you will welcome the snowshedding backpanel, side ski carry loops and dual ToolLock™ system which allows quick and secure ice axe attachment. In the summer you'll be feeling the heat but enjoying the EVA die-cut ventilated shoulder harness and the ability to strip 380g from the total pack weight by removing any features you won't need. The main entry to the Mutant 38 is through a floating and removable top lid, which means you can overload your pack like a packhorse or remove the lid totally for greater head clearance and lighter weight.
Lesser climbing packs have minimal weather protection and compression when in this mode, but not the Mutant 38. Utilise the built-in FlapJacket™ that not only provides a weatherproof closure; it keeps your gear fully compressed. Also integrated into the top pocket you will find a rapid deploy mesh helmet storage pouch. The reverse-wrap Splitter™ hipbelt delivers your choice of comfort, minimalism or gear racking options. Rock climbing in the summer or ice climbing and ski touring in the winter, your Mutant will never be off your back.
15mm side compression straps
Abrasion resistant PU texture to front panel
Dual ToolLock™ for ice axe attachment
FlapJacket™ top cover for use without lid
Glove friendly buckles
Integrated gear loops on hipbelt
Integrated ski/climbing helmet storage
Internal hydration sleeve
Internal key attachment clip
Removable HDPE framesheet with T6061 aluminium stay
Removable top lid with dual compartments
Sewn in hipbelt, reverse wrap stowable
Side ski carry
Sternum strap with emergency whistle
Top lid access
Underlid rope carrying system
Weight: 1.19 kg (M/L) Maximum Dimensions: 63 x 27 x 25 cm Main Fabric: 210D Nylon Dobby
The approximate size of the packed product or the sales package is 600 x 270 x 150 mm.
Excellent backpack. It has all the functions needed for any mountain activity.
Miguel Angel R.verified buyer, 8.8.2026
Overall rating
☆☆☆☆☆
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A good, well-made backpack. I do miss having a few more interior and exterior pockets, but overall—considering its intended use for snowy alpine ascents—it has enough attachment points to carry all the gear, which is exactly what I was looking for. As for shipping, it was sent the day after I bought it, and the store is completely trustworthy. Thanks.
Deepak H.verified buyer, 5.5.2026
Perfectly fitting the climbing dynamics, very light weight
Anonymousverified buyer, 6.4.2026
Overall rating
☆☆☆☆☆
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Good, compact and high-quality backpack! I recommend it!
Anonymousverified buyer, 14.7.2025
Overall rating
☆☆☆☆☆
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Most affordable backpack for alpine skiing
oskars l.verified buyer, 11.4.2025
Overall rating
☆☆☆☆☆
You can trust on Osprey when it comes to build quality. Sits on the back perfectly. I'm 175cm tall and I picked size M/L. The only things I miss are external pockets for the small things like camera, phone, bottle of water etc. And access to main compartment through the side. Would be an ideal backpack:)
jan...@...omverified buyer, 9.1.2024
Overall rating
☆☆☆☆☆
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The first experience is promising. A light hiking backpack that can be adjusted according to the amount of luggage.
Anonymousverified buyer, 27.7.2023
Overall rating
☆☆☆☆☆
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Lots of runs where you can put a lot of stuff outside the backpack. The materials seem durable. Comfortable to carry on the back
Anonymousverified buyer, 19.4.2023
Overall rating
☆☆☆☆☆
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Otherwise good, but I would like an inner pocket for small items from the old model. The new model doesn't have any pockets other than a water bladder.