A sleek option for ice climbing, fast-and-light alpinism, or ski mountaineering, the panel-loading Osprey Mutant 38 offers over 1500 cubic inches of storage capacity and an abundance of climb-friendly features at a minimal weight.
An aluminum support stay and a 1.2mm HDPE framesheet lend the pack lightweight structure and load-balancing stability. When you aren’t carrying as much weight or want to reduce the weight of the pack itself, you can remove both of those entirely. A spacer mesh backpanel cushions the load while offering breathability to help keep you cool. Padded shoulder straps enhance fit and load-hauling capability. A minimally-padded hipbelt adds additional load stability but maintains a low enough profile to not interfere if you’re wearing a climbing harness. Load-lifter straps and an adjustable sternum strap further ensure a proper fit. The Small/Medium Mutant 38 accommodates torso lengths ranging from 15”-19” and the Medium/Large best fits 18”-22” torso lengths.
There are also an abundance of climbing and alpine features like an interior mesh pocket, an integrated rope compression strap, reinforced A-frame carry ski loops, glove-friendly zipper pulls, dual ToolLocks with bungee tie-offs, front panel crampon attachment loops, and a removable helmet carry system. Other features include side compression straps, gear attachment points, a sternum strap safety-whistle, and a lined sleeve that makes the pack hydration system (sold separately) compatible.The Osprey Mutant 38 is available in your choice of size and color options.
- Quick release upper side compression
- Removable one piece 15mm side compression straps
- Reinforced A-frame ski loops
- Removable helmet carry
- Glove friendly zipper pulls
- Dual ToolLocks with bungee tool tie-offs
- Front panel webbing loops for crampon attachment
- Large zippered top access
- Interior mesh slash pocket
- Minimal padded hip wings with gear loops
- Integrated rope compression strap
Best Use Climbing, Mountaineering, Snow Sports Access Panel Loading Warranty Limited Lifetime Volume Small/Medium: 1587 cu in
Medium/Large: 1709 cu in
Type Climbing Pack Sternum Strap Yes; Adjustable Maximum Weight 40 lbs Material 210d nylon ripstop Item Weight Small/Medium: 2.05 lbs
Medium/Large: 2.16 lbs
Torso Adjustment n/a Hydration Compatible n/a Frame Material Aluminum Fits Torso Small/Medium: 15"-19"
Fits Waist Small/Medium: 26"-45"
Dimensions 24" x 12" x 10" Detachable Daypack n/a
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