These are the color I wanted and are comfortable because of the stretch (I'll have to put in insoles, but I'm used to that). There is an odd ribbing at the back of the shoe, inside; it's a pretty significant lump down the back of the shoe, not painful when it rubs my heel, but it's definitely obvious. A seam from sewing the upper together? I don't understand why it's there: I've never seen this in another pair of knit shoes, and I've tried 7 different brands in the past few years. I needed the cSee full review