Fist pair of cycling shoes for me and I must say they're extremely comfy.  I live in a very hot country and the mesh really permits my feet to breath but it doesn't take away from the stability of the shoe. Easy to slip on and off, although for some they might not tighten enough for a snug fit but for me that's fine as I'm just getting used to being clipped onto my pedals and if I can slip my foot out of the shoe in case of an emergency, much better!  I did order up as all the other reviews mentioned, thank god for that!  I'm usually a 38 (8USA) and ordered a 41 and they fit perfectly.