I’m aware of the Proton but I like the Atom because I’m often moving slowly, and it’s decent static insulation under a shell. So for me it’s a more useful piece. It’s also cheaper.
I guess I’m mainly concerned with fit. Arc’teryx seems to disappear. I don’t even think about it, but with every...
The other day I was playing dress up and found that my Arc’teryx Atom LT fit very comfortably under my Kuiu Rubicon shell. I decided to try this setup on while climbing a mountain in freezing temperatures with strong wind and wet snow. It worked better than anything else I’ve tried in terms of...