These are very fitted. At 6’1” and 177 pounds, I purchased a medium as I do in most clothing and expected a close but moderate fit. These are skin tight on me. I’ll be using them for downhill skiing and for ski touring and they should be fine for this purpose, especially layered under other garments. If you’re looking to wear casually, you might size up. Otherwise, seems well made and not itchy against skin. Turtleneck part is a different knit than the rest of the garment which. Is that I look more closely is kind of apparent in the photograph, but I suspect many others could miss this as well. It’s not a big deal, just something to be aware of if you’re going for a certain look.