The sole has nice foot support and feels substantial.  I normally wear, in a leather dressy shoe wearing nylon thin socks, size 6.5M, and a 7.0M in workout shoes.  I ordered a 7.5M, based on relatives who wear Keens and general reviews, and did not want them too snug wearing thicker socks.  They fit well with warm socks, but with nylon thin socks they may be a little big. If I were to order these again I would get a 7.0M, (1/2 size up from my leather shoe size).  Putting in a fleece Dr. Scholl type liner probably take care of that however, and add additional warmth.  The color, Madder Brown, is a rust with a leaning towards berry red. I have no trouble whatsoever slipping these on.