I do, but at your weight Med would fit no problem... At 6'4" the sleeves are more than long enough foe me at Large.. In the pic I added my arm is fully extended and the mitt I use the cuff is bulky...

6'4" and 205 lbs and own Arcteryx, TREW and Patagonia and my absolute favorite coat to date is the Patty Untracked coat (and pants)... Every year I finish my ski season at Bach and my Untracked has...