The adidas Yeezy Foam Runner “Carbon” is a monochromatic dark grey colorway of the popular slip-on sandal/sneaker. The Yeezy Foam Runner has a molded one-piece body made from a combination of lightweight EVA foam and harvested algae that are designed in dark grey on this “Carbon” colorway. Perforations provide an airy yet supportive fit Fit: men’s 6 Reference: I am a woman 7.5-8 and these for perfect.