The toe box is wide. Laterally, my toes felt great. However, the shoe is a short 6.5. I usually wear 6.5 and don't like to go a half size up because then the heel is too loose which I hate. Going downhill was downright painful for my left second toe. For some reason the right side was ok. On the next outing I wore thinner socks and it was ok on uphills and flats. Downhill was still a little sketchy, but better. Stability was not as good as my Hoka Clifton & Gaviota.