I'm looking at both these pullovers and trying to decide which one I should buy. Looking for a warm pullover for temps in the 40 to 50 degree range. I somewhat prefer the look of the switchback but I noticed it's hand wash only. Plus what's difference in the two wools? One's Merino the other Felted Merino wool. I'm guessing the 100% Merino might be thicker,unsure. Also Swichback is considered a midlayer does that make it more like a thin capeline shirt?