Originally Posted by
Jseis
There's a world of difference between a shoe ridden for an hour or two and all day in hot weather. I normally wear a 47 euro (13 USA) but my feet swell after hours of hot riding so a touring shoe in 48 Euro is far better. Midsoles make a huge difference as do vents, open design & socks. Then winter comes.
I think this is a really important point. I'm usually happy in my Shimano Tri shoes sized 44 - UNTIL mile 38 in 85+ degF., and the toe pain comes in bigtime. Now problem solved in Giro 46.5's for 3 hours plus, no problem. Bonus to have Giro's 3 sizes of arch support.