Ryan R Thomaswrote a review of KUHL Arktik Down Parka - Men's on December 20, 2018
Familiarity: I've used it once or twice and have initial impressions
Fit: True to size
First, I'll say this parka is amazing. It looks cool, it's made well with quality materials and it is WARM. I live in Northern Michigan, mere blocks from Grand Traverse Bay and let me say that our winters are not Winter 101. I am actually looking forward to kicking its ass with this coat when the temps hit -15F!
But...I am a "tweener" size between M and L for most shirts and jackets. I had at first ordered a M and it was almost perfect. The GF said it looked small and constricting on me. Maybe but only barely. The sleeves weren't too short, only a touch when I raised my hands. I was hesitant on exchanging for a L thinking it would be huge since the M was so close. I did end up getting the L, and other than being a bit roomier in the torso than I'd like, the L was the way to go. Backcountry was a breeze to deal with, as usual. Hope this helps with your sizing decision.