For cold and dry, poor breathability is a fairly serious issue. Moisture will condense out in your clothing which makes things quite uncomfortable. If you wear

For cold and dry, poor breathability is a fairly serious issue. Moisture will condense out in your clothing which makes things quite uncomfortable. If you wear a membrane like Gore-Tex as an outer shell then the moisture will actually freeze. As a result membranes in such climates are best avoided. Just bring along a light raincoat if it is warm enough that rain is possible. Source: a life spent in southern Manitoba,Canada.