Color :   Black or brown or honey or gray or red
shoe size   : 36 or 37 or 38 or 39 or 40 or 41

Generally a proper female fit shoe will be slimmer overall, and contoured for a wider forefoot, then narrow in around the heel. A man's fit is wider overall, and generally remains a very similar width from heel to toe.
Innovative technology, lightweight design, adaptability, clever marketing, and a dedication to sustainability have all contributed to the meteoric popularity of On Cloud running shoes.
Toes: There should be enough room in the toe box that you can lightly wiggle your toes, but not so much space that there's a gap between the front of the shoe and your toes. Width: Again, your shoes should feel snug without being too tight.