I bought the Merlot/Black, and I love them. They are extremely comfortable, with a soft sole. They do not have any cushion in the sole, nor do they have a hard sole. They are not meant to be worn outside, and are primarily house slippers. I did run out to the mail box in them, but I wouldn't recommend doing that more than once or twice. My feet are very narrow, and get VERY cold, very easily. I have found myself taking these off several times, especially when worn with socks. I wear a 7 exactly, and the mediums fit me toe to heel. If I wore a 7.5, I would recommend sizing up to a Large. I love these, and have considered getting a second pair. One to leave at home, and one to carry everywhere with me!