Not sure if you’ve seen it but Kifaru has a video on the fit on their YouTube channel. 6 or 7 guys of various sizes wearing them.
i'm about your size and have a small that fits well. if i was layering more under it, i would bump up to a medium. i will wear a merino base layer, thick fleece hoody and a vest under it, and it's not too restrictive in the arms, but more layers underneath it would get tight in the armsWho here owns a LPP and is about 5’11” and 155lbs? What size are you running? How many layers underneath?
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