Mutant 52



Your most committing alpine rock and ice pursuits demand a pack that's up for the challenge. The Osprey Mutant 52, with its dialed-in features and expansive capacity, is here to answer the call. Tested and developed by local guides and athletes in some of the harshest conditions, the Mutant 52 has evolved into a formidable mountaineering pack for big objectives. If you're planning to spend days in alpine conditions and high elevations, you need the comfort, stability and capabilities of a Mutant. New colors, advanced fabrics and refined features make the latest iteration even more formidable than its predecessor. The whole Mutant family benefits from the addition of lightweight, recycled NanoFly® and robic fabrics for impressive durability and lower environmental impact than virgin materials.


WARNING for California customers: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to


Pack Volume:
S/M: 3051 cu in / 50 L
M/L: 3173 cu in / 52 L
S/M: 27.95H x 13.78W x 11.81D in.
M/L: 29.92H x 13.78W x 11.81D in.
S/M: 3.224 lbs
M/L: 3.4 lbs
Load Range:
20 - 50 lbs
Main: bluesign®-approved 210D recycled high tenacity nylon, PFAS-free DWR
Accent: bluesign®-approved 210D recycled nylon grid NanoFly®, PFAS-free DWR
Bottom: bluesign®-approved 450D recycled polyester, PFAS-free DWR
Key Attributes:
Dual ToolLocks, rope carry, snowshed backpanel, glove-friendly buckles and strippable features.
Developed and tested by athletes and local guides.
A narrow profile, close-to-body carry and Osprey's superior fit makes for efficient and ultimately safer movement in the mountains.
Other Features:
  • Removable webbing gear attachment straps
  • Front panel daisy chain loops, compatible with Voile straps
  • Three-point haul system
  • Snowshed fabric backpanel
  • Dual ToolLocks with bungee tie-offs
  • Internal hydration sleeve
  • Lightweight, glove friendly buckles
  • Rope attachment/internal compression
  • Removable top lid with zip pocket, FlapJacket and stowaway pocket
  • Removable, multi-position helmet carry net
  • Reinforced A-frame ski carry
  • Quick release upper and lower compression straps
  • Dual side wand/snow-picket pockets
Carry Information:
-- Atilon framesheet with dual aluminum stays
-- Snowshed fabric
-- Ridged EVA foam
-- Stretch woven mesh over EVA foam

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