40l patagonia black hole duffel – Big Sky Anglers on size meets most airline and train cabin requirements Patagonia Black Hole Duffel 40L

Everests West Ridge in 1963, the 1966 National Geographic Antarctica expedition, and the 1975 American ascent of K2

Overall, there are a few nitty gritty things that I wish were different about the Stratos 24, but it is incredibly comfortable and Osprey has brought in some innovations as well

A mesh front pocket with compression straps (the design varies on newer models) is perfect for tucking in a jacket

We visited in mid-February and had several good weather windows though 40 mph (64 km/h) wind gusts are common

You have a heavy pack out and you move out for miles and miles on end and you want the most comfortable rucksack ever built on your back