Just in case, I ordered a .5 size up. I can tell, so I would say these probably run true to size. I did it on purpose though as when I order my own size I feel like my toes are too close to the end. These are very soft shoes. The back is very soft. They look like they'll be fairly breathable. I don't expect that the insides and bottoms will stay white, I do wish they had a pair that were all black or at least had dark bottoms. I got these for work because I have plantar fasciitis and very high arches and need shoes to help with that. They do feel like they have a better fit and more comfortable feel than my other shoes (guess and puma). And they weren't a bad price either.