Have not tested in winter conditions just yet, Ohio is back to a 50 degree spell again, but I will update once winter returns. Initial impressions have me hopeful. I immediately got overheated when I tried this on and zipped it up indoors. Serious heat. The lining inside the torso and neck is the most amazing soft , luxurious, and comfortable fabric ever. When you zip up the neck area it is very comfortable and warm. The outer fabric of the coat is not overly shiny or plastic looking or feeling; it has a nice soft, smooth, and solid feel to it. The coat has a classy look to it. The angled baffles help create a more streamlined appearance so you don't end up looking like the Michelin man. I love the fleece cuffs at the wrists, nice touch. The hood fits nicely, is adjustable, and removeable, as is the faux fur detailing. The hand pockets feel warm and comfortable. There are also two nice internal pockets, one zips and the other is an open, drop in style. As for the sizing, I wish there was a "fits a bit awkward" option, lol. I normally wear a small in most shirts (I'm a size 6) and a medium in coats so that I can have room to layer. In places the coat seems too big, but in others too small. There is a lot of extra room throughout the mid torso, maybe even more than one might expect that there should be in a medium on my size 6 frame, except in weird places it seems too small, such as through the chest/arm area. For example, under the arm pits when I move my arms around it appears to pull taught at one spot where the inner under side of the arm meets the chest (wearing a t-shirt underneath). I'm only a 34 B, so it isn't like my chest is causing undo tightness here. And when I reach inside, there seems to be space in the actual arms, chest, and armpit area for layering, so the tightness isn't happening exactly there either. Maybe just the design of the articulation of the arm is the issue? Not sure, but something is weird about the interaction between the chest/arms. If Marmot didn't have such a great warranty, I might consider returning, fearing the construction of this area might not hold up well over time, but their customer service rocks, so I'll take the gamble. It also almost feels a bit tighter than expected through the hip and leg area, but I'm hopeful this will keep wind out and not limit walking unneccessarily. The arms are short in length as well. I have short arms. Most coat arms drown my hands- not this one. The arms on this coat are almost too short, even for me! As for the overall length, I'm 5' 6" and it hits me just ever so shy of the top of my knees. I've read reviews of zipper issues, but I found the zipper very easy to use so far. I'll update again once I've actually used this in winter weather. I'm giving it an initial 5 stars, although 4.5 is probably more accurate, because despite the weird sizing and arm articulation issues, it still feels comfortable and incredibly warm, and the materials and construction overall are top notch.