These are amazing! I am a teacher, so I'm on my feet all day (and walk A LOT). My room is very warm, so I wear without socks now and no issues. So much cushioning, when you push down there is easily 1/2 inch play. Now about the size: they do run small and are inconsistent. I wear 7 standard but ordered the 38 (7.5-8). The red pair I have has more room in the back, black has less and are almost too small.  I also have wide feet and the width is good. Pricey, but worth it. Wearing the red for 2 months and not one single scratch mark or signs of wear.