Sidi makes shoes in a Mega width in almost all of their styles. I have a bunion on my left foot and after a few times of my foot swelling in hot weather, I got shoes in a bigger size, Mega width, when i switched from spds to Speedplays. You might also want to get shoes with the "ratchet" thing that allows you to adjust how tight the shoe is, in addition to the Velcro straps. If it starts getting really hot, I will stop and loosen up the shoes.