Described by Osprey as “a favorite of weekend warriors to elite mountaineers,” I tested a 2010 Argon 85 expedition pack. The 2010 model is the third generation version of this pack.
The Argon 85 (loaned by Osprey for the duration of the test) comes in three frame sizes: medium, large, and extra large, with the two larger frames having slightly bigger capacities. I tested a medium frame, which has a 5,100-cubic inch capacity. Hip belts are available in small, medium, large, and extra large.
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