I run a mixed bag but here's my take. Like many others, I strongly prefer First Lite base layers. I have a pair of zip off kuiu bottoms and I like the design but their merino blend is not anywhere close to as comfortable as my first lite aerwool pieces. The kuiu bottoms also aren't holding up as well. For outerwear I feel like First Lite is getting there but Kuiu might have an edge if it's just between those two brands.
As far as a dwr coating I actually feel like Kryptek does a better job than most with the DWR on their outer layers and I've heard Ryan Avery say the same thing. I like First Lite, the few Sitka items I own, and several Kryptek pieces but I certainly haven't tried them all. Research each item and you'll likely end up with a mixed bag like me.
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