Anyone with first-hand experience know how the sizing on these compares to the 14oz version they carry at SE? I only have access to the 14oz to try on locally and based on the measurements it seems that one runs about a size small in the body by comparison, but what isn't clear is the width of the arms.
The 14oz I tried in S was too snug to comfortably button but fit nicely in the arms. The M in the 14oz was a good fit in the torso but the arms were far too wide for my liking.
I'd like to get one of these, and thinking S would be the way to go, but if the arms are baggy it would be a no-go for me.