The Osprey Mutant 28/38 - any route, any season...

Mutant 28 in Dyno Green, 135 kb
The Osprey Mutant 28
The Mutant is an award-winning pack designed for year-round ascents. Super light, flexible, strippable and seasonally versatile you can rely on this perennial climbing partner. The pack is perfectly designed for cold and snowy ascents, coming equipped with a snowshedding backpanel as well as side ski carry loops and dual ToolLock™ system allowing quick and secure ice axe attachment.

Don’t mistake this for purely a winter climbing pack however. In the summer you might be feeling the heat but you will definitely reap the benefits from the EVA die-cut ventilated shoulder harness.  As well as the Mutant’s ability to strip 380g from the total pack weight by removing any features you don’t need. There is also a convenient internal hydration sleeve, compatible with Osprey’s Hydraulics™ reservoir.

Access to the pack is key and Osprey have got this nailed. 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. Whilst lesser climbing packs have minimal weather protection and compression when in this mode, the Mutant 38’s performance doesn’t suffer.

Mutant 38 Gritstone Black, 53 kb
The Osprey Mutant 38 - Front
Mutant Backsystem, 76 kb
The Osprey Mutant 38 - Back



















You have the option to use the built-in FlapJacket™ that not only provides a weatherproof closure; but keeps your gear fully compressed. Integrated into the top pocket there' rapidly deployable mesh ski/climbing helmet storage pouch. The reverse-wrap Splitter™ hipbelt delivers your choice of comfort, minimalism or gear racking options.  Thanks to its intuitive design all of these features are packed into a construction that weighs in at just 1.19Kg (M/L size in 38L volume).

Every aspect of the Mutant has been proven and tested, from Alaska to the Himalayas – it’s everything you need and nothing you don’t.

Available in Dyno Green and Gritstone Black the new Mutant also comes in 38L and 28L volumes.

You can find out more about the Mutant 38L and 28L by visiting


BUY NOW from:
logoFree UK delivery available on the New Mutants
See this product at the The Epicentre shop
logo£89.00. Read Outside's Review and buy now with Free UK Delivery
See this product at the Outside Ltd shop
logo£55.00. Available in both 28 & 38 litre capacity.
See this product at the Joe Brown - Snowdonia shop
See this product at the Ellis Brigham shop

For more information visit Osprey Europe Ltd
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