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Great insulating layer
Verified Buyer Reviewed by NewYorkie from New York on Saturday, November 5, 2016
I recently took a trip to Iceland and purchased the mountain ghost whisperer and paired it with the Arcteryx zeta AR (both purchased on STP). With all the reviews, I was afraid about the arm pits being too tight but I didn't have that problem at all. In fact, I actually wore a fleece underneath it and was fine. It's unbelievably lightweight. Im 5'5" athletic build, 140llbs. I typically wear a small top and medium size 6 bottom. It is on the boxy but I like roomy especially for when It m doing outdoor activities. So, I ordered a medium and perfect.