Review on Bare XF Men's Cross Training Shoes: Optimize Your Fitness Performance by David Carter

I have rather narrow feet and these shoes often don't suit me.

They seem to have been made specifically for my foot, with or without a sock, they are great. However, they probably wouldn't fit most people because they fit mine so well! My eldest son has a much wider toe box and can barely put the shoes on even though we are the same size.